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Finding the Fourth Proportional to 159,887.04, 239,806.56 and 100,541.76

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Solution

The fourth proportional to 159,887.04, 239,806.56 and 100,541.76 is: 150,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,887.04 : 239,806.56 = 100,541.76 : x
  2. Step 2: Convert to fraction form
    159,887.04/239,806.56 = 100,541.76/x
  3. Step 3: Cross multiply
    159,887.04x = 239,806.56 × 100,541.76
  4. Step 4: Simplify right side
    159,887.04x = 24,110,573,601.95
  5. Step 5: Solve for x
    x = 24,110,573,601.95/159,887.04
  6. Step 6: Final answer
    x = 150,797.55

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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.