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Finding the Fourth Proportional to 235,434.75, 353,152.14 and 60,330.75

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Solution

The fourth proportional to 235,434.75, 353,152.14 and 60,330.75 is: 90,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,434.75 : 353,152.14 = 60,330.75 : x
  2. Step 2: Convert to fraction form
    235,434.75/353,152.14 = 60,330.75/x
  3. Step 3: Cross multiply
    235,434.75x = 353,152.14 × 60,330.75
  4. Step 4: Simplify right side
    235,434.75x = 21,305,933,470.31
  5. Step 5: Solve for x
    x = 21,305,933,470.31/235,434.75
  6. Step 6: Final answer
    x = 90,496.13

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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.