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Finding the Fourth Proportional to 181,803.33, 272,613.74 and 105,926.43

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Solution

The fourth proportional to 181,803.33, 272,613.74 and 105,926.43 is: 158,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,803.33 : 272,613.74 = 105,926.43 : x
  2. Step 2: Convert to fraction form
    181,803.33/272,613.74 = 105,926.43/x
  3. Step 3: Cross multiply
    181,803.33x = 272,613.74 × 105,926.43
  4. Step 4: Simplify right side
    181,803.33x = 28,877,000,247.15
  5. Step 5: Solve for x
    x = 28,877,000,247.15/181,803.33
  6. Step 6: Final answer
    x = 158,836.48

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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.