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Finding the Fourth Proportional to 161,310.16, 241,916.02 and 42,966.10

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Solution

The fourth proportional to 161,310.16, 241,916.02 and 42,966.10 is: 64,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,310.16 : 241,916.02 = 42,966.10 : x
  2. Step 2: Convert to fraction form
    161,310.16/241,916.02 = 42,966.10/x
  3. Step 3: Cross multiply
    161,310.16x = 241,916.02 × 42,966.10
  4. Step 4: Simplify right side
    161,310.16x = 10,394,187,906.92
  5. Step 5: Solve for x
    x = 10,394,187,906.92/161,310.16
  6. Step 6: Final answer
    x = 64,436.04

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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.