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Finding the Fourth Proportional to 159,515.71, 239,315.10 and 59,683.71

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Solution

The fourth proportional to 159,515.71, 239,315.10 and 59,683.71 is: 89,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,515.71 : 239,315.10 = 59,683.71 : x
  2. Step 2: Convert to fraction form
    159,515.71/239,315.10 = 59,683.71/x
  3. Step 3: Cross multiply
    159,515.71x = 239,315.10 × 59,683.71
  4. Step 4: Simplify right side
    159,515.71x = 14,283,213,027.02
  5. Step 5: Solve for x
    x = 14,283,213,027.02/159,515.71
  6. Step 6: Final answer
    x = 89,541.11

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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.