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Finding the Fourth Proportional to 77,465.52, 116,044.20 and 60,747.12

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Solution

The fourth proportional to 77,465.52, 116,044.20 and 60,747.12 is: 90,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,465.52 : 116,044.20 = 60,747.12 : x
  2. Step 2: Convert to fraction form
    77,465.52/116,044.20 = 60,747.12/x
  3. Step 3: Cross multiply
    77,465.52x = 116,044.20 × 60,747.12
  4. Step 4: Simplify right side
    77,465.52x = 7,049,350,942.70
  5. Step 5: Solve for x
    x = 7,049,350,942.70/77,465.52
  6. Step 6: Final answer
    x = 90,999.85

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1.5x scale

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.