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Finding the Fourth Proportional to 159,841.58, 220,580.93 and 88,221.11

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Solution

The fourth proportional to 159,841.58, 220,580.93 and 88,221.11 is: 121,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,841.58 : 220,580.93 = 88,221.11 : x
  2. Step 2: Convert to fraction form
    159,841.58/220,580.93 = 88,221.11/x
  3. Step 3: Cross multiply
    159,841.58x = 220,580.93 × 88,221.11
  4. Step 4: Simplify right side
    159,841.58x = 19,459,893,607.08
  5. Step 5: Solve for x
    x = 19,459,893,607.08/159,841.58
  6. Step 6: Final answer
    x = 121,744.88

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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.