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Finding the Fourth Proportional to 88,666.54, 122,355.52 and 48,377.90

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Solution

The fourth proportional to 88,666.54, 122,355.52 and 48,377.90 is: 66,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.54 : 122,355.52 = 48,377.90 : x
  2. Step 2: Convert to fraction form
    88,666.54/122,355.52 = 48,377.90/x
  3. Step 3: Cross multiply
    88,666.54x = 122,355.52 × 48,377.90
  4. Step 4: Simplify right side
    88,666.54x = 5,919,303,111.01
  5. Step 5: Solve for x
    x = 5,919,303,111.01/88,666.54
  6. Step 6: Final answer
    x = 66,759.15

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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.