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Finding the Fourth Proportional to 118,750.52, 178,109.30 and 29,998.56

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Solution

The fourth proportional to 118,750.52, 178,109.30 and 29,998.56 is: 44,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,750.52 : 178,109.30 = 29,998.56 : x
  2. Step 2: Convert to fraction form
    118,750.52/178,109.30 = 29,998.56/x
  3. Step 3: Cross multiply
    118,750.52x = 178,109.30 × 29,998.56
  4. Step 4: Simplify right side
    118,750.52x = 5,343,022,522.61
  5. Step 5: Solve for x
    x = 5,343,022,522.61/118,750.52
  6. Step 6: Final answer
    x = 44,993.68

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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.