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Finding the Fourth Proportional to 118,956.25, 178,434.51 and 35,850.25

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Solution

The fourth proportional to 118,956.25, 178,434.51 and 35,850.25 is: 53,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,956.25 : 178,434.51 = 35,850.25 : x
  2. Step 2: Convert to fraction form
    118,956.25/178,434.51 = 35,850.25/x
  3. Step 3: Cross multiply
    118,956.25x = 178,434.51 × 35,850.25
  4. Step 4: Simplify right side
    118,956.25x = 6,396,921,792.13
  5. Step 5: Solve for x
    x = 6,396,921,792.13/118,956.25
  6. Step 6: Final answer
    x = 53,775.42

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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.