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Finding the Fourth Proportional to 88,681.52, 122,383.11 and 48,397.89

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Solution

The fourth proportional to 88,681.52, 122,383.11 and 48,397.89 is: 66,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.52 : 122,383.11 = 48,397.89 : x
  2. Step 2: Convert to fraction form
    88,681.52/122,383.11 = 48,397.89/x
  3. Step 3: Cross multiply
    88,681.52x = 122,383.11 × 48,397.89
  4. Step 4: Simplify right side
    88,681.52x = 5,923,084,295.64
  5. Step 5: Solve for x
    x = 5,923,084,295.64/88,681.52
  6. Step 6: Final answer
    x = 66,790.52

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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.