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Finding the Fourth Proportional to 64,057,788.86, 88,399,833.82 and 34,689,172.02

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Solution

The fourth proportional to 64,057,788.86, 88,399,833.82 and 34,689,172.02 is: 47,871,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,057,788.86 : 88,399,833.82 = 34,689,172.02 : x
  2. Step 2: Convert to fraction form
    64,057,788.86/88,399,833.82 = 34,689,172.02/x
  3. Step 3: Cross multiply
    64,057,788.86x = 88,399,833.82 × 34,689,172.02
  4. Step 4: Simplify right side
    64,057,788.86x = 3,066,517,041,921,394
  5. Step 5: Solve for x
    x = 3,066,517,041,921,394/64,057,788.86
  6. Step 6: Final answer
    x = 47,871,103.52

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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.