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Finding the Fourth Proportional to 125,076.48, 187,633.92 and 50,196.48

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Solution

The fourth proportional to 125,076.48, 187,633.92 and 50,196.48 is: 75,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,076.48 : 187,633.92 = 50,196.48 : x
  2. Step 2: Convert to fraction form
    125,076.48/187,633.92 = 50,196.48/x
  3. Step 3: Cross multiply
    125,076.48x = 187,633.92 × 50,196.48
  4. Step 4: Simplify right side
    125,076.48x = 9,418,562,312.60
  5. Step 5: Solve for x
    x = 9,418,562,312.60/125,076.48
  6. Step 6: Final answer
    x = 75,302.43

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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.