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Finding the Fourth Proportional to 70,916.32, 106,374.48 and 41,334.04

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Solution

The fourth proportional to 70,916.32, 106,374.48 and 41,334.04 is: 62,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,916.32 : 106,374.48 = 41,334.04 : x
  2. Step 2: Convert to fraction form
    70,916.32/106,374.48 = 41,334.04/x
  3. Step 3: Cross multiply
    70,916.32x = 106,374.48 × 41,334.04
  4. Step 4: Simplify right side
    70,916.32x = 4,396,887,011.30
  5. Step 5: Solve for x
    x = 4,396,887,011.30/70,916.32
  6. Step 6: Final answer
    x = 62,001.06

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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.