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Finding the Fourth Proportional to 158,859.80, 219,171.70 and 101,532.67

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Solution

The fourth proportional to 158,859.80, 219,171.70 and 101,532.67 is: 140,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,859.80 : 219,171.70 = 101,532.67 : x
  2. Step 2: Convert to fraction form
    158,859.80/219,171.70 = 101,532.67/x
  3. Step 3: Cross multiply
    158,859.80x = 219,171.70 × 101,532.67
  4. Step 4: Simplify right side
    158,859.80x = 22,253,086,285.92
  5. Step 5: Solve for x
    x = 22,253,086,285.92/158,859.80
  6. Step 6: Final answer
    x = 140,080.03

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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.