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Finding the Fourth Proportional to 220,123.89, 330,050.90 and 93,692.13

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Solution

The fourth proportional to 220,123.89, 330,050.90 and 93,692.13 is: 140,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,123.89 : 330,050.90 = 93,692.13 : x
  2. Step 2: Convert to fraction form
    220,123.89/330,050.90 = 93,692.13/x
  3. Step 3: Cross multiply
    220,123.89x = 330,050.90 × 93,692.13
  4. Step 4: Simplify right side
    220,123.89x = 30,923,171,829.42
  5. Step 5: Solve for x
    x = 30,923,171,829.42/220,123.89
  6. Step 6: Final answer
    x = 140,480.77

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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.