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Finding the Fourth Proportional to 177,752.60, 266,531.70 and 72,452.60

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Solution

The fourth proportional to 177,752.60, 266,531.70 and 72,452.60 is: 108,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,752.60 : 266,531.70 = 72,452.60 : x
  2. Step 2: Convert to fraction form
    177,752.60/266,531.70 = 72,452.60/x
  3. Step 3: Cross multiply
    177,752.60x = 266,531.70 × 72,452.60
  4. Step 4: Simplify right side
    177,752.60x = 19,310,914,647.42
  5. Step 5: Solve for x
    x = 19,310,914,647.42/177,752.60
  6. Step 6: Final answer
    x = 108,639.28

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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.