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Finding the Fourth Proportional to 159,880.95, 220,637.22 and 88,259.43

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Solution

The fourth proportional to 159,880.95, 220,637.22 and 88,259.43 is: 121,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,880.95 : 220,637.22 = 88,259.43 : x
  2. Step 2: Convert to fraction form
    159,880.95/220,637.22 = 88,259.43/x
  3. Step 3: Cross multiply
    159,880.95x = 220,637.22 × 88,259.43
  4. Step 4: Simplify right side
    159,880.95x = 19,473,315,273.98
  5. Step 5: Solve for x
    x = 19,473,315,273.98/159,880.95
  6. Step 6: Final answer
    x = 121,798.85

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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.