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Finding the Fourth Proportional to 77,957.80, 116,948.92 and 25,354.96

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Solution

The fourth proportional to 77,957.80, 116,948.92 and 25,354.96 is: 38,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,957.80 : 116,948.92 = 25,354.96 : x
  2. Step 2: Convert to fraction form
    77,957.80/116,948.92 = 25,354.96/x
  3. Step 3: Cross multiply
    77,957.80x = 116,948.92 × 25,354.96
  4. Step 4: Simplify right side
    77,957.80x = 2,965,235,188.64
  5. Step 5: Solve for x
    x = 2,965,235,188.64/77,957.80
  6. Step 6: Final answer
    x = 38,036.41

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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.