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Finding the Fourth Proportional to 141,722.01, 195,568.99 and 88,005.87

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Solution

The fourth proportional to 141,722.01, 195,568.99 and 88,005.87 is: 121,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,722.01 : 195,568.99 = 88,005.87 : x
  2. Step 2: Convert to fraction form
    141,722.01/195,568.99 = 88,005.87/x
  3. Step 3: Cross multiply
    141,722.01x = 195,568.99 × 88,005.87
  4. Step 4: Simplify right side
    141,722.01x = 17,211,218,889.96
  5. Step 5: Solve for x
    x = 17,211,218,889.96/141,722.01
  6. Step 6: Final answer
    x = 121,443.51

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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.