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Finding the Fourth Proportional to 235,317.78, 324,788.67 and 144,750.06

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Solution

The fourth proportional to 235,317.78, 324,788.67 and 144,750.06 is: 199,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,317.78 : 324,788.67 = 144,750.06 : x
  2. Step 2: Convert to fraction form
    235,317.78/324,788.67 = 144,750.06/x
  3. Step 3: Cross multiply
    235,317.78x = 324,788.67 × 144,750.06
  4. Step 4: Simplify right side
    235,317.78x = 47,013,179,469.82
  5. Step 5: Solve for x
    x = 47,013,179,469.82/235,317.78
  6. Step 6: Final answer
    x = 199,785.92

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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.