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Finding the Fourth Proportional to 158,859.30, 219,171.01 and 101,532.17

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Solution

The fourth proportional to 158,859.30, 219,171.01 and 101,532.17 is: 140,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,859.30 : 219,171.01 = 101,532.17 : x
  2. Step 2: Convert to fraction form
    158,859.30/219,171.01 = 101,532.17/x
  3. Step 3: Cross multiply
    158,859.30x = 219,171.01 × 101,532.17
  4. Step 4: Simplify right side
    158,859.30x = 22,252,906,642.88
  5. Step 5: Solve for x
    x = 22,252,906,642.88/158,859.30
  6. Step 6: Final answer
    x = 140,079.34

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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.