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Finding the Fourth Proportional to 172,247.12, 237,722.88 and 96,795.56

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Solution

The fourth proportional to 172,247.12, 237,722.88 and 96,795.56 is: 133,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,247.12 : 237,722.88 = 96,795.56 : x
  2. Step 2: Convert to fraction form
    172,247.12/237,722.88 = 96,795.56/x
  3. Step 3: Cross multiply
    172,247.12x = 237,722.88 × 96,795.56
  4. Step 4: Simplify right side
    172,247.12x = 23,010,519,294.41
  5. Step 5: Solve for x
    x = 23,010,519,294.41/172,247.12
  6. Step 6: Final answer
    x = 133,590.15

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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.