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Finding the Fourth Proportional to 62,912,335.80, 94,368,503.70 and 56,865,718.20

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Solution

The fourth proportional to 62,912,335.80, 94,368,503.70 and 56,865,718.20 is: 85,298,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,912,335.80 : 94,368,503.70 = 56,865,718.20 : x
  2. Step 2: Convert to fraction form
    62,912,335.80/94,368,503.70 = 56,865,718.20/x
  3. Step 3: Cross multiply
    62,912,335.80x = 94,368,503.70 × 56,865,718.20
  4. Step 4: Simplify right side
    62,912,335.80x = 5,366,332,738,359,858
  5. Step 5: Solve for x
    x = 5,366,332,738,359,858/62,912,335.80
  6. Step 6: Final answer
    x = 85,298,577.30

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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.