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Finding the Fourth Proportional to 121,081.01, 181,649.15 and 36,853.10

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Solution

The fourth proportional to 121,081.01, 181,649.15 and 36,853.10 is: 55,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,081.01 : 181,649.15 = 36,853.10 : x
  2. Step 2: Convert to fraction form
    121,081.01/181,649.15 = 36,853.10/x
  3. Step 3: Cross multiply
    121,081.01x = 181,649.15 × 36,853.10
  4. Step 4: Simplify right side
    121,081.01x = 6,694,335,038.51
  5. Step 5: Solve for x
    x = 6,694,335,038.51/121,081.01
  6. Step 6: Final answer
    x = 55,288.07

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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.