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Finding the Fourth Proportional to 123,763.54, 170,793.88 and 67,174.94

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Solution

The fourth proportional to 123,763.54, 170,793.88 and 67,174.94 is: 92,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763.54 : 170,793.88 = 67,174.94 : x
  2. Step 2: Convert to fraction form
    123,763.54/170,793.88 = 67,174.94/x
  3. Step 3: Cross multiply
    123,763.54x = 170,793.88 × 67,174.94
  4. Step 4: Simplify right side
    123,763.54x = 11,473,068,641.37
  5. Step 5: Solve for x
    x = 11,473,068,641.37/123,763.54
  6. Step 6: Final answer
    x = 92,701.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.