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Finding the Fourth Proportional to 121,463.33, 167,549.23 and 73,031.62

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Solution

The fourth proportional to 121,463.33, 167,549.23 and 73,031.62 is: 100,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,463.33 : 167,549.23 = 73,031.62 : x
  2. Step 2: Convert to fraction form
    121,463.33/167,549.23 = 73,031.62/x
  3. Step 3: Cross multiply
    121,463.33x = 167,549.23 × 73,031.62
  4. Step 4: Simplify right side
    121,463.33x = 12,236,391,539.74
  5. Step 5: Solve for x
    x = 12,236,391,539.74/121,463.33
  6. Step 6: Final answer
    x = 100,741.44

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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.