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Finding the Fourth Proportional to 159,968.88, 220,758.84 and 88,347.24

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Solution

The fourth proportional to 159,968.88, 220,758.84 and 88,347.24 is: 121,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,968.88 : 220,758.84 = 88,347.24 : x
  2. Step 2: Convert to fraction form
    159,968.88/220,758.84 = 88,347.24/x
  3. Step 3: Cross multiply
    159,968.88x = 220,758.84 × 88,347.24
  4. Step 4: Simplify right side
    159,968.88x = 19,503,434,219.60
  5. Step 5: Solve for x
    x = 19,503,434,219.60/159,968.88
  6. Step 6: Final answer
    x = 121,920.18

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1.5x scale

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.