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Finding the Fourth Proportional to 65,041.95, 89,800.92 and 43,559.22

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Solution

The fourth proportional to 65,041.95, 89,800.92 and 43,559.22 is: 60,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,041.95 : 89,800.92 = 43,559.22 : x
  2. Step 2: Convert to fraction form
    65,041.95/89,800.92 = 43,559.22/x
  3. Step 3: Cross multiply
    65,041.95x = 89,800.92 × 43,559.22
  4. Step 4: Simplify right side
    65,041.95x = 3,911,658,030.48
  5. Step 5: Solve for x
    x = 3,911,658,030.48/65,041.95
  6. Step 6: Final answer
    x = 60,140.54

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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.