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Finding the Fourth Proportional to 124,649.96, 172,016.26 and 68,060.93

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Solution

The fourth proportional to 124,649.96, 172,016.26 and 68,060.93 is: 93,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,649.96 : 172,016.26 = 68,060.93 : x
  2. Step 2: Convert to fraction form
    124,649.96/172,016.26 = 68,060.93/x
  3. Step 3: Cross multiply
    124,649.96x = 172,016.26 × 68,060.93
  4. Step 4: Simplify right side
    124,649.96x = 11,707,585,600.49
  5. Step 5: Solve for x
    x = 11,707,585,600.49/124,649.96
  6. Step 6: Final answer
    x = 93,923.70

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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.