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Finding the Fourth Proportional to 60,486,031.10, 90,729,046.65 and 60,486,031.10

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Solution

The fourth proportional to 60,486,031.10, 90,729,046.65 and 60,486,031.10 is: 90,729,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486,031.10 : 90,729,046.65 = 60,486,031.10 : x
  2. Step 2: Convert to fraction form
    60,486,031.10/90,729,046.65 = 60,486,031.10/x
  3. Step 3: Cross multiply
    60,486,031.10x = 90,729,046.65 × 60,486,031.10
  4. Step 4: Simplify right side
    60,486,031.10x = 5,487,839,937,345,251
  5. Step 5: Solve for x
    x = 5,487,839,937,345,251/60,486,031.10
  6. Step 6: Final answer
    x = 90,729,046.65

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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.