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Finding the Fourth Proportional to 177,475.92, 266,140.44 and 72,223.44

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Solution

The fourth proportional to 177,475.92, 266,140.44 and 72,223.44 is: 108,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,475.92 : 266,140.44 = 72,223.44 : x
  2. Step 2: Convert to fraction form
    177,475.92/266,140.44 = 72,223.44/x
  3. Step 3: Cross multiply
    177,475.92x = 266,140.44 × 72,223.44
  4. Step 4: Simplify right side
    177,475.92x = 19,221,578,099.91
  5. Step 5: Solve for x
    x = 19,221,578,099.91/177,475.92
  6. Step 6: Final answer
    x = 108,305.27

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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.