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Finding the Fourth Proportional to 342,886.14, 514,363.07 and 118,217.04

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Solution

The fourth proportional to 342,886.14, 514,363.07 and 118,217.04 is: 177,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,886.14 : 514,363.07 = 118,217.04 : x
  2. Step 2: Convert to fraction form
    342,886.14/514,363.07 = 118,217.04/x
  3. Step 3: Cross multiply
    342,886.14x = 514,363.07 × 118,217.04
  4. Step 4: Simplify right side
    342,886.14x = 60,806,479,620.71
  5. Step 5: Solve for x
    x = 60,806,479,620.71/342,886.14
  6. Step 6: Final answer
    x = 177,337.23

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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.