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Finding the Fourth Proportional to 88,565.55, 122,214.35 and 49,809.17

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Solution

The fourth proportional to 88,565.55, 122,214.35 and 49,809.17 is: 68,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.55 : 122,214.35 = 49,809.17 : x
  2. Step 2: Convert to fraction form
    88,565.55/122,214.35 = 49,809.17/x
  3. Step 3: Cross multiply
    88,565.55x = 122,214.35 × 49,809.17
  4. Step 4: Simplify right side
    88,565.55x = 6,087,395,335.59
  5. Step 5: Solve for x
    x = 6,087,395,335.59/88,565.55
  6. Step 6: Final answer
    x = 68,733.22

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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.