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Finding the Fourth Proportional to 220,049.76, 330,021.54 and 101,607.24

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Solution

The fourth proportional to 220,049.76, 330,021.54 and 101,607.24 is: 152,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,049.76 : 330,021.54 = 101,607.24 : x
  2. Step 2: Convert to fraction form
    220,049.76/330,021.54 = 101,607.24/x
  3. Step 3: Cross multiply
    220,049.76x = 330,021.54 × 101,607.24
  4. Step 4: Simplify right side
    220,049.76x = 33,532,577,819.95
  5. Step 5: Solve for x
    x = 33,532,577,819.95/220,049.76
  6. Step 6: Final answer
    x = 152,386.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.