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Finding the Fourth Proportional to 220,133.70, 330,168.15 and 62,378.10

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Solution

The fourth proportional to 220,133.70, 330,168.15 and 62,378.10 is: 93,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,133.70 : 330,168.15 = 62,378.10 : x
  2. Step 2: Convert to fraction form
    220,133.70/330,168.15 = 62,378.10/x
  3. Step 3: Cross multiply
    220,133.70x = 330,168.15 × 62,378.10
  4. Step 4: Simplify right side
    220,133.70x = 20,595,261,877.52
  5. Step 5: Solve for x
    x = 20,595,261,877.52/220,133.70
  6. Step 6: Final answer
    x = 93,557.97

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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.