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Finding the Fourth Proportional to 121,788.47, 182,682.80 and 33,041.97

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Solution

The fourth proportional to 121,788.47, 182,682.80 and 33,041.97 is: 49,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,788.47 : 182,682.80 = 33,041.97 : x
  2. Step 2: Convert to fraction form
    121,788.47/182,682.80 = 33,041.97/x
  3. Step 3: Cross multiply
    121,788.47x = 182,682.80 × 33,041.97
  4. Step 4: Simplify right side
    121,788.47x = 6,036,199,203.55
  5. Step 5: Solve for x
    x = 6,036,199,203.55/121,788.47
  6. Step 6: Final answer
    x = 49,562.98

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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.