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Finding the Fourth Proportional to 71,259.53, 106,904.57 and 26,281.04

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Solution

The fourth proportional to 71,259.53, 106,904.57 and 26,281.04 is: 39,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,259.53 : 106,904.57 = 26,281.04 : x
  2. Step 2: Convert to fraction form
    71,259.53/106,904.57 = 26,281.04/x
  3. Step 3: Cross multiply
    71,259.53x = 106,904.57 × 26,281.04
  4. Step 4: Simplify right side
    71,259.53x = 2,809,562,614.42
  5. Step 5: Solve for x
    x = 2,809,562,614.42/71,259.53
  6. Step 6: Final answer
    x = 39,427.19

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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.