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Finding the Fourth Proportional to 58,707,867.80, 88,061,801.70 and 15,576,987.80

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Solution

The fourth proportional to 58,707,867.80, 88,061,801.70 and 15,576,987.80 is: 23,365,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,707,867.80 : 88,061,801.70 = 15,576,987.80 : x
  2. Step 2: Convert to fraction form
    58,707,867.80/88,061,801.70 = 15,576,987.80/x
  3. Step 3: Cross multiply
    58,707,867.80x = 88,061,801.70 × 15,576,987.80
  4. Step 4: Simplify right side
    58,707,867.80x = 1,371,737,610,726,919.25
  5. Step 5: Solve for x
    x = 1,371,737,610,726,919.25/58,707,867.80
  6. Step 6: Final answer
    x = 23,365,481.70

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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.