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Finding the Fourth Proportional to 88,671.64, 122,350.10 and 52,864.96

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Solution

The fourth proportional to 88,671.64, 122,350.10 and 52,864.96 is: 72,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,671.64 : 122,350.10 = 52,864.96 : x
  2. Step 2: Convert to fraction form
    88,671.64/122,350.10 = 52,864.96/x
  3. Step 3: Cross multiply
    88,671.64x = 122,350.10 × 52,864.96
  4. Step 4: Simplify right side
    88,671.64x = 6,468,033,142.50
  5. Step 5: Solve for x
    x = 6,468,033,142.50/88,671.64
  6. Step 6: Final answer
    x = 72,943.65

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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.