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Finding the Fourth Proportional to 149,745.65, 224,542.61 and 49,870.83

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Solution

The fourth proportional to 149,745.65, 224,542.61 and 49,870.83 is: 74,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,745.65 : 224,542.61 = 49,870.83 : x
  2. Step 2: Convert to fraction form
    149,745.65/224,542.61 = 49,870.83/x
  3. Step 3: Cross multiply
    149,745.65x = 224,542.61 × 49,870.83
  4. Step 4: Simplify right side
    149,745.65x = 11,198,126,331.07
  5. Step 5: Solve for x
    x = 11,198,126,331.07/149,745.65
  6. Step 6: Final answer
    x = 74,780.98

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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.