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Finding the Fourth Proportional to 121,348.13, 167,466.13 and 67,633.52

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Solution

The fourth proportional to 121,348.13, 167,466.13 and 67,633.52 is: 93,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,348.13 : 167,466.13 = 67,633.52 : x
  2. Step 2: Convert to fraction form
    121,348.13/167,466.13 = 67,633.52/x
  3. Step 3: Cross multiply
    121,348.13x = 167,466.13 × 67,633.52
  4. Step 4: Simplify right side
    121,348.13x = 11,326,323,852.68
  5. Step 5: Solve for x
    x = 11,326,323,852.68/121,348.13
  6. Step 6: Final answer
    x = 93,337.44

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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.