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Finding the Fourth Proportional to 95,897.52, 143,594.28 and 77,077.68

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Solution

The fourth proportional to 95,897.52, 143,594.28 and 77,077.68 is: 115,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,897.52 : 143,594.28 = 77,077.68 : x
  2. Step 2: Convert to fraction form
    95,897.52/143,594.28 = 77,077.68/x
  3. Step 3: Cross multiply
    95,897.52x = 143,594.28 × 77,077.68
  4. Step 4: Simplify right side
    95,897.52x = 11,067,913,963.67
  5. Step 5: Solve for x
    x = 11,067,913,963.67/95,897.52
  6. Step 6: Final answer
    x = 115,413.97

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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.