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Finding the Fourth Proportional to 77,488.80, 116,233.20 and 24,902.40

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Solution

The fourth proportional to 77,488.80, 116,233.20 and 24,902.40 is: 37,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,488.80 : 116,233.20 = 24,902.40 : x
  2. Step 2: Convert to fraction form
    77,488.80/116,233.20 = 24,902.40/x
  3. Step 3: Cross multiply
    77,488.80x = 116,233.20 × 24,902.40
  4. Step 4: Simplify right side
    77,488.80x = 2,894,485,639.68
  5. Step 5: Solve for x
    x = 2,894,485,639.68/77,488.80
  6. Step 6: Final answer
    x = 37,353.60

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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.