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Finding the Fourth Proportional to 123,866.24, 185,798.96 and 35,120.48

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Solution

The fourth proportional to 123,866.24, 185,798.96 and 35,120.48 is: 52,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,866.24 : 185,798.96 = 35,120.48 : x
  2. Step 2: Convert to fraction form
    123,866.24/185,798.96 = 35,120.48/x
  3. Step 3: Cross multiply
    123,866.24x = 185,798.96 × 35,120.48
  4. Step 4: Simplify right side
    123,866.24x = 6,525,348,658.70
  5. Step 5: Solve for x
    x = 6,525,348,658.70/123,866.24
  6. Step 6: Final answer
    x = 52,680.61

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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.