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Finding the Fourth Proportional to 88,606.62, 122,306.76 and 52,807.86

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Solution

The fourth proportional to 88,606.62, 122,306.76 and 52,807.86 is: 72,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,606.62 : 122,306.76 = 52,807.86 : x
  2. Step 2: Convert to fraction form
    88,606.62/122,306.76 = 52,807.86/x
  3. Step 3: Cross multiply
    88,606.62x = 122,306.76 × 52,807.86
  4. Step 4: Simplify right side
    88,606.62x = 6,458,758,259.13
  5. Step 5: Solve for x
    x = 6,458,758,259.13/88,606.62
  6. Step 6: Final answer
    x = 72,892.50

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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.