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Finding the Fourth Proportional to 220,042.92, 330,011.22 and 101,600.40

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Solution

The fourth proportional to 220,042.92, 330,011.22 and 101,600.40 is: 152,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,042.92 : 330,011.22 = 101,600.40 : x
  2. Step 2: Convert to fraction form
    220,042.92/330,011.22 = 101,600.40/x
  3. Step 3: Cross multiply
    220,042.92x = 330,011.22 × 101,600.40
  4. Step 4: Simplify right side
    220,042.92x = 33,529,271,956.49
  5. Step 5: Solve for x
    x = 33,529,271,956.49/220,042.92
  6. Step 6: Final answer
    x = 152,376.05

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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.