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Finding the Fourth Proportional to 60,694,712.70, 91,042,069.05 and 56,663,634.30

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Solution

The fourth proportional to 60,694,712.70, 91,042,069.05 and 56,663,634.30 is: 84,995,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,694,712.70 : 91,042,069.05 = 56,663,634.30 : x
  2. Step 2: Convert to fraction form
    60,694,712.70/91,042,069.05 = 56,663,634.30/x
  3. Step 3: Cross multiply
    60,694,712.70x = 91,042,069.05 × 56,663,634.30
  4. Step 4: Simplify right side
    60,694,712.70x = 5,158,774,506,564,548
  5. Step 5: Solve for x
    x = 5,158,774,506,564,548/60,694,712.70
  6. Step 6: Final answer
    x = 84,995,451.45

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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.