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Finding the Fourth Proportional to 121,470.93, 167,630.13 and 67,754.57

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Solution

The fourth proportional to 121,470.93, 167,630.13 and 67,754.57 is: 93,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,470.93 : 167,630.13 = 67,754.57 : x
  2. Step 2: Convert to fraction form
    121,470.93/167,630.13 = 67,754.57/x
  3. Step 3: Cross multiply
    121,470.93x = 167,630.13 × 67,754.57
  4. Step 4: Simplify right side
    121,470.93x = 11,357,706,539.04
  5. Step 5: Solve for x
    x = 11,357,706,539.04/121,470.93
  6. Step 6: Final answer
    x = 93,501.44

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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.