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Finding the Fourth Proportional to 159,970.08, 220,754.46 and 88,348.56

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Solution

The fourth proportional to 159,970.08, 220,754.46 and 88,348.56 is: 121,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,970.08 : 220,754.46 = 88,348.56 : x
  2. Step 2: Convert to fraction form
    159,970.08/220,754.46 = 88,348.56/x
  3. Step 3: Cross multiply
    159,970.08x = 220,754.46 × 88,348.56
  4. Step 4: Simplify right side
    159,970.08x = 19,503,338,654.58
  5. Step 5: Solve for x
    x = 19,503,338,654.58/159,970.08
  6. Step 6: Final answer
    x = 121,918.67

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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.