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Finding the Fourth Proportional to 120,707.91, 181,001.12 and 41,800.95

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Solution

The fourth proportional to 120,707.91, 181,001.12 and 41,800.95 is: 62,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,707.91 : 181,001.12 = 41,800.95 : x
  2. Step 2: Convert to fraction form
    120,707.91/181,001.12 = 41,800.95/x
  3. Step 3: Cross multiply
    120,707.91x = 181,001.12 × 41,800.95
  4. Step 4: Simplify right side
    120,707.91x = 7,566,018,558.06
  5. Step 5: Solve for x
    x = 7,566,018,558.06/120,707.91
  6. Step 6: Final answer
    x = 62,680.39

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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.