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Finding the Fourth Proportional to 120,802.20, 181,203.30 and 41,908.20

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Solution

The fourth proportional to 120,802.20, 181,203.30 and 41,908.20 is: 62,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,802.20 : 181,203.30 = 41,908.20 : x
  2. Step 2: Convert to fraction form
    120,802.20/181,203.30 = 41,908.20/x
  3. Step 3: Cross multiply
    120,802.20x = 181,203.30 × 41,908.20
  4. Step 4: Simplify right side
    120,802.20x = 7,593,904,137.06
  5. Step 5: Solve for x
    x = 7,593,904,137.06/120,802.20
  6. Step 6: Final answer
    x = 62,862.30

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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.