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Finding the Fourth Proportional to 180,266.41, 248,775.42 and 99,693.96

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Solution

The fourth proportional to 180,266.41, 248,775.42 and 99,693.96 is: 137,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,266.41 : 248,775.42 = 99,693.96 : x
  2. Step 2: Convert to fraction form
    180,266.41/248,775.42 = 99,693.96/x
  3. Step 3: Cross multiply
    180,266.41x = 248,775.42 × 99,693.96
  4. Step 4: Simplify right side
    180,266.41x = 24,801,406,770.46
  5. Step 5: Solve for x
    x = 24,801,406,770.46/180,266.41
  6. Step 6: Final answer
    x = 137,581.96

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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.