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Finding the Fourth Proportional to 343,167.84, 514,521.72 and 132,559.74

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Solution

The fourth proportional to 343,167.84, 514,521.72 and 132,559.74 is: 198,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,167.84 : 514,521.72 = 132,559.74 : x
  2. Step 2: Convert to fraction form
    343,167.84/514,521.72 = 132,559.74/x
  3. Step 3: Cross multiply
    343,167.84x = 514,521.72 × 132,559.74
  4. Step 4: Simplify right side
    343,167.84x = 68,204,865,427.55
  5. Step 5: Solve for x
    x = 68,204,865,427.55/343,167.84
  6. Step 6: Final answer
    x = 198,750.75

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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.