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Finding the Fourth Proportional to 148,726.92, 223,089 and 36,407.64

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Solution

The fourth proportional to 148,726.92, 223,089 and 36,407.64 is: 54,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,726.92 : 223,089 = 36,407.64 : x
  2. Step 2: Convert to fraction form
    148,726.92/223,089 = 36,407.64/x
  3. Step 3: Cross multiply
    148,726.92x = 223,089 × 36,407.64
  4. Step 4: Simplify right side
    148,726.92x = 8,122,143,999.96
  5. Step 5: Solve for x
    x = 8,122,143,999.96/148,726.92
  6. Step 6: Final answer
    x = 54,611.12

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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.