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Finding the Fourth Proportional to 242,077.92, 363,126.60 and 84,322.32

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Solution

The fourth proportional to 242,077.92, 363,126.60 and 84,322.32 is: 126,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,077.92 : 363,126.60 = 84,322.32 : x
  2. Step 2: Convert to fraction form
    242,077.92/363,126.60 = 84,322.32/x
  3. Step 3: Cross multiply
    242,077.92x = 363,126.60 × 84,322.32
  4. Step 4: Simplify right side
    242,077.92x = 30,619,677,365.71
  5. Step 5: Solve for x
    x = 30,619,677,365.71/242,077.92
  6. Step 6: Final answer
    x = 126,486.87

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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.