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Finding the Fourth Proportional to 224,775.32, 310,177.50 and 129,283.62

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Solution

The fourth proportional to 224,775.32, 310,177.50 and 129,283.62 is: 178,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,775.32 : 310,177.50 = 129,283.62 : x
  2. Step 2: Convert to fraction form
    224,775.32/310,177.50 = 129,283.62/x
  3. Step 3: Cross multiply
    224,775.32x = 310,177.50 × 129,283.62
  4. Step 4: Simplify right side
    224,775.32x = 40,100,870,042.55
  5. Step 5: Solve for x
    x = 40,100,870,042.55/224,775.32
  6. Step 6: Final answer
    x = 178,404.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.