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Finding the Fourth Proportional to 88,864.88, 122,630.09 and 48,580.20

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Solution

The fourth proportional to 88,864.88, 122,630.09 and 48,580.20 is: 67,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,864.88 : 122,630.09 = 48,580.20 : x
  2. Step 2: Convert to fraction form
    88,864.88/122,630.09 = 48,580.20/x
  3. Step 3: Cross multiply
    88,864.88x = 122,630.09 × 48,580.20
  4. Step 4: Simplify right side
    88,864.88x = 5,957,394,055.32
  5. Step 5: Solve for x
    x = 5,957,394,055.32/88,864.88
  6. Step 6: Final answer
    x = 67,038.79

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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.