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Finding the Fourth Proportional to 160,599.92, 221,625.01 and 88,978.50

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Solution

The fourth proportional to 160,599.92, 221,625.01 and 88,978.50 is: 122,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,599.92 : 221,625.01 = 88,978.50 : x
  2. Step 2: Convert to fraction form
    160,599.92/221,625.01 = 88,978.50/x
  3. Step 3: Cross multiply
    160,599.92x = 221,625.01 × 88,978.50
  4. Step 4: Simplify right side
    160,599.92x = 19,719,860,952.29
  5. Step 5: Solve for x
    x = 19,719,860,952.29/160,599.92
  6. Step 6: Final answer
    x = 122,788.73

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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.