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Finding the Fourth Proportional to 151,916.60, 227,871.90 and 45,372.71

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Solution

The fourth proportional to 151,916.60, 227,871.90 and 45,372.71 is: 68,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,916.60 : 227,871.90 = 45,372.71 : x
  2. Step 2: Convert to fraction form
    151,916.60/227,871.90 = 45,372.71/x
  3. Step 3: Cross multiply
    151,916.60x = 227,871.90 × 45,372.71
  4. Step 4: Simplify right side
    151,916.60x = 10,339,164,496.49
  5. Step 5: Solve for x
    x = 10,339,164,496.49/151,916.60
  6. Step 6: Final answer
    x = 68,058.16

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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.