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Finding the Fourth Proportional to 235,000.86, 324,306.32 and 143,124.48

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Solution

The fourth proportional to 235,000.86, 324,306.32 and 143,124.48 is: 197,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,000.86 : 324,306.32 = 143,124.48 : x
  2. Step 2: Convert to fraction form
    235,000.86/324,306.32 = 143,124.48/x
  3. Step 3: Cross multiply
    235,000.86x = 324,306.32 × 143,124.48
  4. Step 4: Simplify right side
    235,000.86x = 46,416,172,695.09
  5. Step 5: Solve for x
    x = 46,416,172,695.09/235,000.86
  6. Step 6: Final answer
    x = 197,514.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.