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Finding the Fourth Proportional to 242,635.20, 363,952.79 and 74,156.01

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Solution

The fourth proportional to 242,635.20, 363,952.79 and 74,156.01 is: 111,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,635.20 : 363,952.79 = 74,156.01 : x
  2. Step 2: Convert to fraction form
    242,635.20/363,952.79 = 74,156.01/x
  3. Step 3: Cross multiply
    242,635.20x = 363,952.79 × 74,156.01
  4. Step 4: Simplify right side
    242,635.20x = 26,989,285,100.39
  5. Step 5: Solve for x
    x = 26,989,285,100.39/242,635.20
  6. Step 6: Final answer
    x = 111,234.01

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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.