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Finding the Fourth Proportional to 235,292.33, 352,782.47 and 85,514.83

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Solution

The fourth proportional to 235,292.33, 352,782.47 and 85,514.83 is: 128,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,292.33 : 352,782.47 = 85,514.83 : x
  2. Step 2: Convert to fraction form
    235,292.33/352,782.47 = 85,514.83/x
  3. Step 3: Cross multiply
    235,292.33x = 352,782.47 × 85,514.83
  4. Step 4: Simplify right side
    235,292.33x = 30,168,132,280.86
  5. Step 5: Solve for x
    x = 30,168,132,280.86/235,292.33
  6. Step 6: Final answer
    x = 128,215.53

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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.