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Finding the Fourth Proportional to 272,434.52, 375,950.18 and 149,915.46

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Solution

The fourth proportional to 272,434.52, 375,950.18 and 149,915.46 is: 206,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,434.52 : 375,950.18 = 149,915.46 : x
  2. Step 2: Convert to fraction form
    272,434.52/375,950.18 = 149,915.46/x
  3. Step 3: Cross multiply
    272,434.52x = 375,950.18 × 149,915.46
  4. Step 4: Simplify right side
    272,434.52x = 56,360,744,171.78
  5. Step 5: Solve for x
    x = 56,360,744,171.78/272,434.52
  6. Step 6: Final answer
    x = 206,878.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.