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Finding the Fourth Proportional to 88,323.30, 121,843.32 and 52,487.94

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Solution

The fourth proportional to 88,323.30, 121,843.32 and 52,487.94 is: 72,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,323.30 : 121,843.32 = 52,487.94 : x
  2. Step 2: Convert to fraction form
    88,323.30/121,843.32 = 52,487.94/x
  3. Step 3: Cross multiply
    88,323.30x = 121,843.32 × 52,487.94
  4. Step 4: Simplify right side
    88,323.30x = 6,395,304,869.56
  5. Step 5: Solve for x
    x = 6,395,304,869.56/88,323.30
  6. Step 6: Final answer
    x = 72,407.90

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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.