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Finding the Fourth Proportional to 233,124.75, 349,745.85 and 66,912.75

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Solution

The fourth proportional to 233,124.75, 349,745.85 and 66,912.75 is: 100,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,124.75 : 349,745.85 = 66,912.75 : x
  2. Step 2: Convert to fraction form
    233,124.75/349,745.85 = 66,912.75/x
  3. Step 3: Cross multiply
    233,124.75x = 349,745.85 × 66,912.75
  4. Step 4: Simplify right side
    233,124.75x = 23,402,456,624.59
  5. Step 5: Solve for x
    x = 23,402,456,624.59/233,124.75
  6. Step 6: Final answer
    x = 100,385.98

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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.