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Finding the Fourth Proportional to 60,791,740.80, 83,890,082.88 and 33,289,195.20

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Solution

The fourth proportional to 60,791,740.80, 83,890,082.88 and 33,289,195.20 is: 45,937,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,791,740.80 : 83,890,082.88 = 33,289,195.20 : x
  2. Step 2: Convert to fraction form
    60,791,740.80/83,890,082.88 = 33,289,195.20/x
  3. Step 3: Cross multiply
    60,791,740.80x = 83,890,082.88 × 33,289,195.20
  4. Step 4: Simplify right side
    60,791,740.80x = 2,792,633,344,336,498
  5. Step 5: Solve for x
    x = 2,792,633,344,336,498/60,791,740.80
  6. Step 6: Final answer
    x = 45,937,709.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.