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Finding the Fourth Proportional to 242,483.92, 334,627.92 and 135,074.56

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Solution

The fourth proportional to 242,483.92, 334,627.92 and 135,074.56 is: 186,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,483.92 : 334,627.92 = 135,074.56 : x
  2. Step 2: Convert to fraction form
    242,483.92/334,627.92 = 135,074.56/x
  3. Step 3: Cross multiply
    242,483.92x = 334,627.92 × 135,074.56
  4. Step 4: Simplify right side
    242,483.92x = 45,199,719,057.72
  5. Step 5: Solve for x
    x = 45,199,719,057.72/242,483.92
  6. Step 6: Final answer
    x = 186,402.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.