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Finding the Fourth Proportional to 159,713.33, 220,410.90 and 88,097.90

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Solution

The fourth proportional to 159,713.33, 220,410.90 and 88,097.90 is: 121,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,713.33 : 220,410.90 = 88,097.90 : x
  2. Step 2: Convert to fraction form
    159,713.33/220,410.90 = 88,097.90/x
  3. Step 3: Cross multiply
    159,713.33x = 220,410.90 × 88,097.90
  4. Step 4: Simplify right side
    159,713.33x = 19,417,736,325.06
  5. Step 5: Solve for x
    x = 19,417,736,325.06/159,713.33
  6. Step 6: Final answer
    x = 121,578.69

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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.