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Finding the Fourth Proportional to 267,386.10, 368,957.73 and 159,916.92

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Solution

The fourth proportional to 267,386.10, 368,957.73 and 159,916.92 is: 220,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,386.10 : 368,957.73 = 159,916.92 : x
  2. Step 2: Convert to fraction form
    267,386.10/368,957.73 = 159,916.92/x
  3. Step 3: Cross multiply
    267,386.10x = 368,957.73 × 159,916.92
  4. Step 4: Simplify right side
    267,386.10x = 59,002,583,791.79
  5. Step 5: Solve for x
    x = 59,002,583,791.79/267,386.10
  6. Step 6: Final answer
    x = 220,664.36

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1.5x scale

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.