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Finding the Fourth Proportional to 63,001,689.12, 86,961,545.46 and 36,546,728.40

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Solution

The fourth proportional to 63,001,689.12, 86,961,545.46 and 36,546,728.40 is: 50,445,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,001,689.12 : 86,961,545.46 = 36,546,728.40 : x
  2. Step 2: Convert to fraction form
    63,001,689.12/86,961,545.46 = 36,546,728.40/x
  3. Step 3: Cross multiply
    63,001,689.12x = 86,961,545.46 × 36,546,728.40
  4. Step 4: Simplify right side
    63,001,689.12x = 3,178,159,983,170,872.50
  5. Step 5: Solve for x
    x = 3,178,159,983,170,872.50/63,001,689.12
  6. Step 6: Final answer
    x = 50,445,631.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.