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Finding the Fourth Proportional to 121,672.80, 182,507.04 and 62,473.68

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Solution

The fourth proportional to 121,672.80, 182,507.04 and 62,473.68 is: 93,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,672.80 : 182,507.04 = 62,473.68 : x
  2. Step 2: Convert to fraction form
    121,672.80/182,507.04 = 62,473.68/x
  3. Step 3: Cross multiply
    121,672.80x = 182,507.04 × 62,473.68
  4. Step 4: Simplify right side
    121,672.80x = 11,401,886,414.71
  5. Step 5: Solve for x
    x = 11,401,886,414.71/121,672.80
  6. Step 6: Final answer
    x = 93,709.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.