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Finding the Fourth Proportional to 267,926.40, 369,561.60 and 172,281.60

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Solution

The fourth proportional to 267,926.40, 369,561.60 and 172,281.60 is: 237,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,926.40 : 369,561.60 = 172,281.60 : x
  2. Step 2: Convert to fraction form
    267,926.40/369,561.60 = 172,281.60/x
  3. Step 3: Cross multiply
    267,926.40x = 369,561.60 × 172,281.60
  4. Step 4: Simplify right side
    267,926.40x = 63,668,663,746.56
  5. Step 5: Solve for x
    x = 63,668,663,746.56/267,926.40
  6. Step 6: Final answer
    x = 237,634.90

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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.