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Finding the Fourth Proportional to 235,482.78, 324,959.13 and 133,517.55

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Solution

The fourth proportional to 235,482.78, 324,959.13 and 133,517.55 is: 184,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,482.78 : 324,959.13 = 133,517.55 : x
  2. Step 2: Convert to fraction form
    235,482.78/324,959.13 = 133,517.55/x
  3. Step 3: Cross multiply
    235,482.78x = 324,959.13 × 133,517.55
  4. Step 4: Simplify right side
    235,482.78x = 43,387,746,887.73
  5. Step 5: Solve for x
    x = 43,387,746,887.73/235,482.78
  6. Step 6: Final answer
    x = 184,250.19

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1.5x scale

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.