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Finding the Fourth Proportional to 121,092.84, 167,081.94 and 73,348.20

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Solution

The fourth proportional to 121,092.84, 167,081.94 and 73,348.20 is: 101,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,092.84 : 167,081.94 = 73,348.20 : x
  2. Step 2: Convert to fraction form
    121,092.84/167,081.94 = 73,348.20/x
  3. Step 3: Cross multiply
    121,092.84x = 167,081.94 × 73,348.20
  4. Step 4: Simplify right side
    121,092.84x = 12,255,159,551.51
  5. Step 5: Solve for x
    x = 12,255,159,551.51/121,092.84
  6. Step 6: Final answer
    x = 101,204.66

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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.