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Finding the Fourth Proportional to 181,279.85, 250,173.25 and 124,039.18

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Solution

The fourth proportional to 181,279.85, 250,173.25 and 124,039.18 is: 171,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,279.85 : 250,173.25 = 124,039.18 : x
  2. Step 2: Convert to fraction form
    181,279.85/250,173.25 = 124,039.18/x
  3. Step 3: Cross multiply
    181,279.85x = 250,173.25 × 124,039.18
  4. Step 4: Simplify right side
    181,279.85x = 31,031,284,787.94
  5. Step 5: Solve for x
    x = 31,031,284,787.94/181,279.85
  6. Step 6: Final answer
    x = 171,178.90

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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.