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Finding the Fourth Proportional to 121,263.62, 167,338.59 and 67,554.41

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Solution

The fourth proportional to 121,263.62, 167,338.59 and 67,554.41 is: 93,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,263.62 : 167,338.59 = 67,554.41 : x
  2. Step 2: Convert to fraction form
    121,263.62/167,338.59 = 67,554.41/x
  3. Step 3: Cross multiply
    121,263.62x = 167,338.59 × 67,554.41
  4. Step 4: Simplify right side
    121,263.62x = 11,304,459,717.68
  5. Step 5: Solve for x
    x = 11,304,459,717.68/121,263.62
  6. Step 6: Final answer
    x = 93,222.19

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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.