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Finding the Fourth Proportional to 159,621.46, 220,279.06 and 88,004.04

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Solution

The fourth proportional to 159,621.46, 220,279.06 and 88,004.04 is: 121,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,621.46 : 220,279.06 = 88,004.04 : x
  2. Step 2: Convert to fraction form
    159,621.46/220,279.06 = 88,004.04/x
  3. Step 3: Cross multiply
    159,621.46x = 220,279.06 × 88,004.04
  4. Step 4: Simplify right side
    159,621.46x = 19,385,447,207.40
  5. Step 5: Solve for x
    x = 19,385,447,207.40/159,621.46
  6. Step 6: Final answer
    x = 121,446.37

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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.