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Finding the Fourth Proportional to 148,689.76, 223,078.38 and 59,897.56

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Solution

The fourth proportional to 148,689.76, 223,078.38 and 59,897.56 is: 89,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,689.76 : 223,078.38 = 59,897.56 : x
  2. Step 2: Convert to fraction form
    148,689.76/223,078.38 = 59,897.56/x
  3. Step 3: Cross multiply
    148,689.76x = 223,078.38 × 59,897.56
  4. Step 4: Simplify right side
    148,689.76x = 13,361,850,650.75
  5. Step 5: Solve for x
    x = 13,361,850,650.75/148,689.76
  6. Step 6: Final answer
    x = 89,863.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.