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Finding the Fourth Proportional to 10,080,463.74, 15,120,695.60 and 10,080,463.74

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Solution

The fourth proportional to 10,080,463.74, 15,120,695.60 and 10,080,463.74 is: 15,120,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,463.74 : 15,120,695.60 = 10,080,463.74 : x
  2. Step 2: Convert to fraction form
    10,080,463.74/15,120,695.60 = 10,080,463.74/x
  3. Step 3: Cross multiply
    10,080,463.74x = 15,120,695.60 × 10,080,463.74
  4. Step 4: Simplify right side
    10,080,463.74x = 152,423,623,719,377.53
  5. Step 5: Solve for x
    x = 152,423,623,719,377.53/10,080,463.74
  6. Step 6: Final answer
    x = 15,120,695.60

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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.