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Finding the Fourth Proportional to 40,496,867.70, 60,745,301.55 and 10,204,730.70

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Solution

The fourth proportional to 40,496,867.70, 60,745,301.55 and 10,204,730.70 is: 15,307,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496,867.70 : 60,745,301.55 = 10,204,730.70 : x
  2. Step 2: Convert to fraction form
    40,496,867.70/60,745,301.55 = 10,204,730.70/x
  3. Step 3: Cross multiply
    40,496,867.70x = 60,745,301.55 × 10,204,730.70
  4. Step 4: Simplify right side
    40,496,867.70x = 619,889,443,608,042.50
  5. Step 5: Solve for x
    x = 619,889,443,608,042.50/40,496,867.70
  6. Step 6: Final answer
    x = 15,307,096.05

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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.