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Finding the Fourth Proportional to 65,643.44, 98,552.68 and 55,845.68

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Solution

The fourth proportional to 65,643.44, 98,552.68 and 55,845.68 is: 83,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,643.44 : 98,552.68 = 55,845.68 : x
  2. Step 2: Convert to fraction form
    65,643.44/98,552.68 = 55,845.68/x
  3. Step 3: Cross multiply
    65,643.44x = 98,552.68 × 55,845.68
  4. Step 4: Simplify right side
    65,643.44x = 5,503,741,430.42
  5. Step 5: Solve for x
    x = 5,503,741,430.42/65,643.44
  6. Step 6: Final answer
    x = 83,842.98

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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.