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Finding the Fourth Proportional to 242,777.76, 364,220.10 and 74,299.38

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Solution

The fourth proportional to 242,777.76, 364,220.10 and 74,299.38 is: 111,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,777.76 : 364,220.10 = 74,299.38 : x
  2. Step 2: Convert to fraction form
    242,777.76/364,220.10 = 74,299.38/x
  3. Step 3: Cross multiply
    242,777.76x = 364,220.10 × 74,299.38
  4. Step 4: Simplify right side
    242,777.76x = 27,061,327,613.54
  5. Step 5: Solve for x
    x = 27,061,327,613.54/242,777.76
  6. Step 6: Final answer
    x = 111,465.43

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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.