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Finding the Fourth Proportional to 88,895.82, 122,677.80 and 48,609.20

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Solution

The fourth proportional to 88,895.82, 122,677.80 and 48,609.20 is: 67,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,895.82 : 122,677.80 = 48,609.20 : x
  2. Step 2: Convert to fraction form
    88,895.82/122,677.80 = 48,609.20/x
  3. Step 3: Cross multiply
    88,895.82x = 122,677.80 × 48,609.20
  4. Step 4: Simplify right side
    88,895.82x = 5,963,269,715.76
  5. Step 5: Solve for x
    x = 5,963,269,715.76/88,895.82
  6. Step 6: Final answer
    x = 67,081.55

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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.