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Finding the Fourth Proportional to 160,112.70, 240,255.45 and 66,627.90

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Solution

The fourth proportional to 160,112.70, 240,255.45 and 66,627.90 is: 99,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,112.70 : 240,255.45 = 66,627.90 : x
  2. Step 2: Convert to fraction form
    160,112.70/240,255.45 = 66,627.90/x
  3. Step 3: Cross multiply
    160,112.70x = 240,255.45 × 66,627.90
  4. Step 4: Simplify right side
    160,112.70x = 16,007,716,097.06
  5. Step 5: Solve for x
    x = 16,007,716,097.06/160,112.70
  6. Step 6: Final answer
    x = 99,977.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.