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Finding the Fourth Proportional to 235,025.67, 352,463.72 and 77,217.69

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Solution

The fourth proportional to 235,025.67, 352,463.72 and 77,217.69 is: 115,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,025.67 : 352,463.72 = 77,217.69 : x
  2. Step 2: Convert to fraction form
    235,025.67/352,463.72 = 77,217.69/x
  3. Step 3: Cross multiply
    235,025.67x = 352,463.72 × 77,217.69
  4. Step 4: Simplify right side
    235,025.67x = 27,216,433,881.12
  5. Step 5: Solve for x
    x = 27,216,433,881.12/235,025.67
  6. Step 6: Final answer
    x = 115,801.96

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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.