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Finding the Fourth Proportional to 121,094.40, 181,589.76 and 37,994.88

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Solution

The fourth proportional to 121,094.40, 181,589.76 and 37,994.88 is: 56,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,094.40 : 181,589.76 = 37,994.88 : x
  2. Step 2: Convert to fraction form
    121,094.40/181,589.76 = 37,994.88/x
  3. Step 3: Cross multiply
    121,094.40x = 181,589.76 × 37,994.88
  4. Step 4: Simplify right side
    121,094.40x = 6,899,481,140.43
  5. Step 5: Solve for x
    x = 6,899,481,140.43/121,094.40
  6. Step 6: Final answer
    x = 56,976.05

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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.