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Finding the Fourth Proportional to 121,251.58, 167,335.59 and 73,506.94

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Solution

The fourth proportional to 121,251.58, 167,335.59 and 73,506.94 is: 101,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,251.58 : 167,335.59 = 73,506.94 : x
  2. Step 2: Convert to fraction form
    121,251.58/167,335.59 = 73,506.94/x
  3. Step 3: Cross multiply
    121,251.58x = 167,335.59 × 73,506.94
  4. Step 4: Simplify right side
    121,251.58x = 12,300,327,173.99
  5. Step 5: Solve for x
    x = 12,300,327,173.99/121,251.58
  6. Step 6: Final answer
    x = 101,444.68

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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.