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Finding the Fourth Proportional to 88,684.93, 122,387.80 and 48,401.28

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Solution

The fourth proportional to 88,684.93, 122,387.80 and 48,401.28 is: 66,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,684.93 : 122,387.80 = 48,401.28 : x
  2. Step 2: Convert to fraction form
    88,684.93/122,387.80 = 48,401.28/x
  3. Step 3: Cross multiply
    88,684.93x = 122,387.80 × 48,401.28
  4. Step 4: Simplify right side
    88,684.93x = 5,923,726,176.38
  5. Step 5: Solve for x
    x = 5,923,726,176.38/88,684.93
  6. Step 6: Final answer
    x = 66,795.18

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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.