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Finding the Fourth Proportional to 181,472.96, 272,264.70 and 92,788.76

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Solution

The fourth proportional to 181,472.96, 272,264.70 and 92,788.76 is: 139,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,472.96 : 272,264.70 = 92,788.76 : x
  2. Step 2: Convert to fraction form
    181,472.96/272,264.70 = 92,788.76/x
  3. Step 3: Cross multiply
    181,472.96x = 272,264.70 × 92,788.76
  4. Step 4: Simplify right side
    181,472.96x = 25,263,103,904.77
  5. Step 5: Solve for x
    x = 25,263,103,904.77/181,472.96
  6. Step 6: Final answer
    x = 139,211.39

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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.