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Finding the Fourth Proportional to 181,726.88, 272,530.80 and 76,526.24

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Solution

The fourth proportional to 181,726.88, 272,530.80 and 76,526.24 is: 114,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,726.88 : 272,530.80 = 76,526.24 : x
  2. Step 2: Convert to fraction form
    181,726.88/272,530.80 = 76,526.24/x
  3. Step 3: Cross multiply
    181,726.88x = 272,530.80 × 76,526.24
  4. Step 4: Simplify right side
    181,726.88x = 20,855,757,408.19
  5. Step 5: Solve for x
    x = 20,855,757,408.19/181,726.88
  6. Step 6: Final answer
    x = 114,764.30

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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.