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Finding the Fourth Proportional to 72,877.29, 109,068.83 and 44,814.97

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Solution

The fourth proportional to 72,877.29, 109,068.83 and 44,814.97 is: 67,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,877.29 : 109,068.83 = 44,814.97 : x
  2. Step 2: Convert to fraction form
    72,877.29/109,068.83 = 44,814.97/x
  3. Step 3: Cross multiply
    72,877.29x = 109,068.83 × 44,814.97
  4. Step 4: Simplify right side
    72,877.29x = 4,887,916,424.70
  5. Step 5: Solve for x
    x = 4,887,916,424.70/72,877.29
  6. Step 6: Final answer
    x = 67,070.51

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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.