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Finding the Fourth Proportional to 235,043.07, 352,704.69 and 85,295.04

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Solution

The fourth proportional to 235,043.07, 352,704.69 and 85,295.04 is: 127,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,043.07 : 352,704.69 = 85,295.04 : x
  2. Step 2: Convert to fraction form
    235,043.07/352,704.69 = 85,295.04/x
  3. Step 3: Cross multiply
    235,043.07x = 352,704.69 × 85,295.04
  4. Step 4: Simplify right side
    235,043.07x = 30,083,960,641.74
  5. Step 5: Solve for x
    x = 30,083,960,641.74/235,043.07
  6. Step 6: Final answer
    x = 127,993.40

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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.