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Finding the Fourth Proportional to 235,167.26, 352,648.83 and 85,357.76

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Solution

The fourth proportional to 235,167.26, 352,648.83 and 85,357.76 is: 127,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,167.26 : 352,648.83 = 85,357.76 : x
  2. Step 2: Convert to fraction form
    235,167.26/352,648.83 = 85,357.76/x
  3. Step 3: Cross multiply
    235,167.26x = 352,648.83 × 85,357.76
  4. Step 4: Simplify right side
    235,167.26x = 30,101,315,397.13
  5. Step 5: Solve for x
    x = 30,101,315,397.13/235,167.26
  6. Step 6: Final answer
    x = 127,999.60

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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.