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Finding the Fourth Proportional to 181,850.61, 250,961.63 and 101,278.13

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Solution

The fourth proportional to 181,850.61, 250,961.63 and 101,278.13 is: 139,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,850.61 : 250,961.63 = 101,278.13 : x
  2. Step 2: Convert to fraction form
    181,850.61/250,961.63 = 101,278.13/x
  3. Step 3: Cross multiply
    181,850.61x = 250,961.63 × 101,278.13
  4. Step 4: Simplify right side
    181,850.61x = 25,416,922,826.95
  5. Step 5: Solve for x
    x = 25,416,922,826.95/181,850.61
  6. Step 6: Final answer
    x = 139,768.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.