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Finding the Fourth Proportional to 110,646,217.60, 155,131,452.80 and 110,646,217.60

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Solution

The fourth proportional to 110,646,217.60, 155,131,452.80 and 110,646,217.60 is: 155,131,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,646,217.60 : 155,131,452.80 = 110,646,217.60 : x
  2. Step 2: Convert to fraction form
    110,646,217.60/155,131,452.80 = 110,646,217.60/x
  3. Step 3: Cross multiply
    110,646,217.60x = 155,131,452.80 × 110,646,217.60
  4. Step 4: Simplify right side
    110,646,217.60x = 17,164,708,483,112,930
  5. Step 5: Solve for x
    x = 17,164,708,483,112,930/110,646,217.60
  6. Step 6: Final answer
    x = 155,131,452.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.