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Finding the Fourth Proportional to 65,424.96, 90,237.60 and 44,182.08

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Solution

The fourth proportional to 65,424.96, 90,237.60 and 44,182.08 is: 60,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,424.96 : 90,237.60 = 44,182.08 : x
  2. Step 2: Convert to fraction form
    65,424.96/90,237.60 = 44,182.08/x
  3. Step 3: Cross multiply
    65,424.96x = 90,237.60 × 44,182.08
  4. Step 4: Simplify right side
    65,424.96x = 3,986,884,862.21
  5. Step 5: Solve for x
    x = 3,986,884,862.21/65,424.96
  6. Step 6: Final answer
    x = 60,938.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.