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Finding the Fourth Proportional to 121,323.52, 167,424.72 and 67,610.80

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Solution

The fourth proportional to 121,323.52, 167,424.72 and 67,610.80 is: 93,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,323.52 : 167,424.72 = 67,610.80 : x
  2. Step 2: Convert to fraction form
    121,323.52/167,424.72 = 67,610.80/x
  3. Step 3: Cross multiply
    121,323.52x = 167,424.72 × 67,610.80
  4. Step 4: Simplify right side
    121,323.52x = 11,319,719,258.98
  5. Step 5: Solve for x
    x = 11,319,719,258.98/121,323.52
  6. Step 6: Final answer
    x = 93,301.94

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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.