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Finding the Fourth Proportional to 72,377.29, 108,539.29 and 24,980.32

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Solution

The fourth proportional to 72,377.29, 108,539.29 and 24,980.32 is: 37,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,377.29 : 108,539.29 = 24,980.32 : x
  2. Step 2: Convert to fraction form
    72,377.29/108,539.29 = 24,980.32/x
  3. Step 3: Cross multiply
    72,377.29x = 108,539.29 × 24,980.32
  4. Step 4: Simplify right side
    72,377.29x = 2,711,346,196.77
  5. Step 5: Solve for x
    x = 2,711,346,196.77/72,377.29
  6. Step 6: Final answer
    x = 37,461.28

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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.