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Finding the Fourth Proportional to 267,059.52, 368,541.36 and 153,882

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Solution

The fourth proportional to 267,059.52, 368,541.36 and 153,882 is: 212,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,059.52 : 368,541.36 = 153,882 : x
  2. Step 2: Convert to fraction form
    267,059.52/368,541.36 = 153,882/x
  3. Step 3: Cross multiply
    267,059.52x = 368,541.36 × 153,882
  4. Step 4: Simplify right side
    267,059.52x = 56,711,881,559.52
  5. Step 5: Solve for x
    x = 56,711,881,559.52/267,059.52
  6. Step 6: Final answer
    x = 212,356.71

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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.