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Finding the Fourth Proportional to 95,501.94, 131,833.10 and 64,463.92

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Solution

The fourth proportional to 95,501.94, 131,833.10 and 64,463.92 is: 88,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,501.94 : 131,833.10 = 64,463.92 : x
  2. Step 2: Convert to fraction form
    95,501.94/131,833.10 = 64,463.92/x
  3. Step 3: Cross multiply
    95,501.94x = 131,833.10 × 64,463.92
  4. Step 4: Simplify right side
    95,501.94x = 8,498,478,411.75
  5. Step 5: Solve for x
    x = 8,498,478,411.75/95,501.94
  6. Step 6: Final answer
    x = 88,987.50

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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.