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Finding the Fourth Proportional to 52,661,508.77, 78,963,860.78 and 23,891,947.13

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Solution

The fourth proportional to 52,661,508.77, 78,963,860.78 and 23,891,947.13 is: 35,825,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,661,508.77 : 78,963,860.78 = 23,891,947.13 : x
  2. Step 2: Convert to fraction form
    52,661,508.77/78,963,860.78 = 23,891,947.13/x
  3. Step 3: Cross multiply
    52,661,508.77x = 78,963,860.78 × 23,891,947.13
  4. Step 4: Simplify right side
    52,661,508.77x = 1,886,600,387,103,985.25
  5. Step 5: Solve for x
    x = 1,886,600,387,103,985.25/52,661,508.77
  6. Step 6: Final answer
    x = 35,825,034.85

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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.