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Finding the Fourth Proportional to 118,850.68, 178,275.96 and 28,892.92

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Solution

The fourth proportional to 118,850.68, 178,275.96 and 28,892.92 is: 43,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850.68 : 178,275.96 = 28,892.92 : x
  2. Step 2: Convert to fraction form
    118,850.68/178,275.96 = 28,892.92/x
  3. Step 3: Cross multiply
    118,850.68x = 178,275.96 × 28,892.92
  4. Step 4: Simplify right side
    118,850.68x = 5,150,913,050.20
  5. Step 5: Solve for x
    x = 5,150,913,050.20/118,850.68
  6. Step 6: Final answer
    x = 43,339.37

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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.