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Finding the Fourth Proportional to 124,326.75, 171,571.73 and 67,738.13

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Solution

The fourth proportional to 124,326.75, 171,571.73 and 67,738.13 is: 93,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,326.75 : 171,571.73 = 67,738.13 : x
  2. Step 2: Convert to fraction form
    124,326.75/171,571.73 = 67,738.13/x
  3. Step 3: Cross multiply
    124,326.75x = 171,571.73 × 67,738.13
  4. Step 4: Simplify right side
    124,326.75x = 11,621,948,151.06
  5. Step 5: Solve for x
    x = 11,621,948,151.06/124,326.75
  6. Step 6: Final answer
    x = 93,479.06

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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.