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Finding the Fourth Proportional to 62,787,874.07, 86,646,812.40 and 34,910,368.33

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Solution

The fourth proportional to 62,787,874.07, 86,646,812.40 and 34,910,368.33 is: 48,176,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787,874.07 : 86,646,812.40 = 34,910,368.33 : x
  2. Step 2: Convert to fraction form
    62,787,874.07/86,646,812.40 = 34,910,368.33/x
  3. Step 3: Cross multiply
    62,787,874.07x = 86,646,812.40 × 34,910,368.33
  4. Step 4: Simplify right side
    62,787,874.07x = 3,024,872,135,071,177.50
  5. Step 5: Solve for x
    x = 3,024,872,135,071,177.50/62,787,874.07
  6. Step 6: Final answer
    x = 48,176,055.97

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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.