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Finding the Fourth Proportional to 159,098.01, 219,555.21 and 87,482.67

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Solution

The fourth proportional to 159,098.01, 219,555.21 and 87,482.67 is: 120,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,098.01 : 219,555.21 = 87,482.67 : x
  2. Step 2: Convert to fraction form
    159,098.01/219,555.21 = 87,482.67/x
  3. Step 3: Cross multiply
    159,098.01x = 219,555.21 × 87,482.67
  4. Step 4: Simplify right side
    159,098.01x = 19,207,274,995.85
  5. Step 5: Solve for x
    x = 19,207,274,995.85/159,098.01
  6. Step 6: Final answer
    x = 120,726.06

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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.