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Finding the Fourth Proportional to 267,752.53, 401,382.64 and 115,854.76

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Solution

The fourth proportional to 267,752.53, 401,382.64 and 115,854.76 is: 173,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,752.53 : 401,382.64 = 115,854.76 : x
  2. Step 2: Convert to fraction form
    267,752.53/401,382.64 = 115,854.76/x
  3. Step 3: Cross multiply
    267,752.53x = 401,382.64 × 115,854.76
  4. Step 4: Simplify right side
    267,752.53x = 46,502,086,839.18
  5. Step 5: Solve for x
    x = 46,502,086,839.18/267,752.53
  6. Step 6: Final answer
    x = 173,675.62

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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.