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Finding the Fourth Proportional to 59,115.60, 88,457.40 and 43,563.60

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Solution

The fourth proportional to 59,115.60, 88,457.40 and 43,563.60 is: 65,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,115.60 : 88,457.40 = 43,563.60 : x
  2. Step 2: Convert to fraction form
    59,115.60/88,457.40 = 43,563.60/x
  3. Step 3: Cross multiply
    59,115.60x = 88,457.40 × 43,563.60
  4. Step 4: Simplify right side
    59,115.60x = 3,853,522,790.64
  5. Step 5: Solve for x
    x = 3,853,522,790.64/59,115.60
  6. Step 6: Final answer
    x = 65,186.22

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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.