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Finding the Fourth Proportional to 220,027.64, 330,112.53 and 101,776.55

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Solution

The fourth proportional to 220,027.64, 330,112.53 and 101,776.55 is: 152,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,027.64 : 330,112.53 = 101,776.55 : x
  2. Step 2: Convert to fraction form
    220,027.64/330,112.53 = 101,776.55/x
  3. Step 3: Cross multiply
    220,027.64x = 330,112.53 × 101,776.55
  4. Step 4: Simplify right side
    220,027.64x = 33,597,712,764.61
  5. Step 5: Solve for x
    x = 33,597,712,764.61/220,027.64
  6. Step 6: Final answer
    x = 152,697.70

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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.