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Finding the Fourth Proportional to 181,722.88, 272,524.80 and 76,522.24

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Solution

The fourth proportional to 181,722.88, 272,524.80 and 76,522.24 is: 114,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,722.88 : 272,524.80 = 76,522.24 : x
  2. Step 2: Convert to fraction form
    181,722.88/272,524.80 = 76,522.24/x
  3. Step 3: Cross multiply
    181,722.88x = 272,524.80 × 76,522.24
  4. Step 4: Simplify right side
    181,722.88x = 20,854,208,151.55
  5. Step 5: Solve for x
    x = 20,854,208,151.55/181,722.88
  6. Step 6: Final answer
    x = 114,758.30

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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.