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Finding the Fourth Proportional to 88,714.38, 122,426.09 and 48,428.18

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Solution

The fourth proportional to 88,714.38, 122,426.09 and 48,428.18 is: 66,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,714.38 : 122,426.09 = 48,428.18 : x
  2. Step 2: Convert to fraction form
    88,714.38/122,426.09 = 48,428.18/x
  3. Step 3: Cross multiply
    88,714.38x = 122,426.09 × 48,428.18
  4. Step 4: Simplify right side
    88,714.38x = 5,928,872,723.22
  5. Step 5: Solve for x
    x = 5,928,872,723.22/88,714.38
  6. Step 6: Final answer
    x = 66,831.02

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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.