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Finding the Fourth Proportional to 121,443.58, 182,165.82 and 37,203.40

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Solution

The fourth proportional to 121,443.58, 182,165.82 and 37,203.40 is: 55,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,443.58 : 182,165.82 = 37,203.40 : x
  2. Step 2: Convert to fraction form
    121,443.58/182,165.82 = 37,203.40/x
  3. Step 3: Cross multiply
    121,443.58x = 182,165.82 × 37,203.40
  4. Step 4: Simplify right side
    121,443.58x = 6,777,187,867.79
  5. Step 5: Solve for x
    x = 6,777,187,867.79/121,443.58
  6. Step 6: Final answer
    x = 55,805.24

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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.