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Finding the Fourth Proportional to 177,429, 266,146.38 and 51,070.92

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Solution

The fourth proportional to 177,429, 266,146.38 and 51,070.92 is: 76,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,429 : 266,146.38 = 51,070.92 : x
  2. Step 2: Convert to fraction form
    177,429/266,146.38 = 51,070.92/x
  3. Step 3: Cross multiply
    177,429x = 266,146.38 × 51,070.92
  4. Step 4: Simplify right side
    177,429x = 13,592,340,481.27
  5. Step 5: Solve for x
    x = 13,592,340,481.27/177,429
  6. Step 6: Final answer
    x = 76,607.21

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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.