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Finding the Fourth Proportional to 182,879.93, 252,234.78 and 157,428.11

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Solution

The fourth proportional to 182,879.93, 252,234.78 and 157,428.11 is: 217,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,879.93 : 252,234.78 = 157,428.11 : x
  2. Step 2: Convert to fraction form
    182,879.93/252,234.78 = 157,428.11/x
  3. Step 3: Cross multiply
    182,879.93x = 252,234.78 × 157,428.11
  4. Step 4: Simplify right side
    182,879.93x = 39,708,844,731.90
  5. Step 5: Solve for x
    x = 39,708,844,731.90/182,879.93
  6. Step 6: Final answer
    x = 217,130.68

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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.