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Finding the Fourth Proportional to 342,719.52, 514,103.31 and 106,031.04

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Solution

The fourth proportional to 342,719.52, 514,103.31 and 106,031.04 is: 159,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,719.52 : 514,103.31 = 106,031.04 : x
  2. Step 2: Convert to fraction form
    342,719.52/514,103.31 = 106,031.04/x
  3. Step 3: Cross multiply
    342,719.52x = 514,103.31 × 106,031.04
  4. Step 4: Simplify right side
    342,719.52x = 54,510,908,626.74
  5. Step 5: Solve for x
    x = 54,510,908,626.74/342,719.52
  6. Step 6: Final answer
    x = 159,053.99

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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.