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Finding the Fourth Proportional to 159,735.89, 220,435.55 and 88,116.09

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Solution

The fourth proportional to 159,735.89, 220,435.55 and 88,116.09 is: 121,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,735.89 : 220,435.55 = 88,116.09 : x
  2. Step 2: Convert to fraction form
    159,735.89/220,435.55 = 88,116.09/x
  3. Step 3: Cross multiply
    159,735.89x = 220,435.55 × 88,116.09
  4. Step 4: Simplify right side
    159,735.89x = 19,423,918,322.42
  5. Step 5: Solve for x
    x = 19,423,918,322.42/159,735.89
  6. Step 6: Final answer
    x = 121,600.22

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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.