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Finding the Fourth Proportional to 124,900.80, 187,360.98 and 36,155.64

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Solution

The fourth proportional to 124,900.80, 187,360.98 and 36,155.64 is: 54,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.80 : 187,360.98 = 36,155.64 : x
  2. Step 2: Convert to fraction form
    124,900.80/187,360.98 = 36,155.64/x
  3. Step 3: Cross multiply
    124,900.80x = 187,360.98 × 36,155.64
  4. Step 4: Simplify right side
    124,900.80x = 6,774,156,142.93
  5. Step 5: Solve for x
    x = 6,774,156,142.93/124,900.80
  6. Step 6: Final answer
    x = 54,236.29

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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.