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Finding the Fourth Proportional to 162,672.88, 243,834.24 and 106,335.76

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Solution

The fourth proportional to 162,672.88, 243,834.24 and 106,335.76 is: 159,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,672.88 : 243,834.24 = 106,335.76 : x
  2. Step 2: Convert to fraction form
    162,672.88/243,834.24 = 106,335.76/x
  3. Step 3: Cross multiply
    162,672.88x = 243,834.24 × 106,335.76
  4. Step 4: Simplify right side
    162,672.88x = 25,928,299,224.42
  5. Step 5: Solve for x
    x = 25,928,299,224.42/162,672.88
  6. Step 6: Final answer
    x = 159,389.19

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1.5x scale

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.