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Finding the Fourth Proportional to 242,203.80, 363,176.10 and 101,803.80

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Solution

The fourth proportional to 242,203.80, 363,176.10 and 101,803.80 is: 152,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,203.80 : 363,176.10 = 101,803.80 : x
  2. Step 2: Convert to fraction form
    242,203.80/363,176.10 = 101,803.80/x
  3. Step 3: Cross multiply
    242,203.80x = 363,176.10 × 101,803.80
  4. Step 4: Simplify right side
    242,203.80x = 36,972,707,049.18
  5. Step 5: Solve for x
    x = 36,972,707,049.18/242,203.80
  6. Step 6: Final answer
    x = 152,651.23

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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.