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Finding the Fourth Proportional to 267,385.60, 368,957.04 and 159,916.42

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Solution

The fourth proportional to 267,385.60, 368,957.04 and 159,916.42 is: 220,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,385.60 : 368,957.04 = 159,916.42 : x
  2. Step 2: Convert to fraction form
    267,385.60/368,957.04 = 159,916.42/x
  3. Step 3: Cross multiply
    267,385.60x = 368,957.04 × 159,916.42
  4. Step 4: Simplify right side
    267,385.60x = 59,002,287,125.81
  5. Step 5: Solve for x
    x = 59,002,287,125.81/267,385.60
  6. Step 6: Final answer
    x = 220,663.67

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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.