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Finding the Fourth Proportional to 59,239.60, 88,643.40 and 43,687.60

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Solution

The fourth proportional to 59,239.60, 88,643.40 and 43,687.60 is: 65,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,239.60 : 88,643.40 = 43,687.60 : x
  2. Step 2: Convert to fraction form
    59,239.60/88,643.40 = 43,687.60/x
  3. Step 3: Cross multiply
    59,239.60x = 88,643.40 × 43,687.60
  4. Step 4: Simplify right side
    59,239.60x = 3,872,617,401.84
  5. Step 5: Solve for x
    x = 3,872,617,401.84/59,239.60
  6. Step 6: Final answer
    x = 65,372.11

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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.