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Finding the Fourth Proportional to 181,630.20, 250,650.95 and 101,061.12

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Solution

The fourth proportional to 181,630.20, 250,650.95 and 101,061.12 is: 139,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,630.20 : 250,650.95 = 101,061.12 : x
  2. Step 2: Convert to fraction form
    181,630.20/250,650.95 = 101,061.12/x
  3. Step 3: Cross multiply
    181,630.20x = 250,650.95 × 101,061.12
  4. Step 4: Simplify right side
    181,630.20x = 25,331,065,736.06
  5. Step 5: Solve for x
    x = 25,331,065,736.06/181,630.20
  6. Step 6: Final answer
    x = 139,465.05

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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.