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Finding the Fourth Proportional to 181,132.86, 249,958.48 and 108,576.74

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Solution

The fourth proportional to 181,132.86, 249,958.48 and 108,576.74 is: 149,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,132.86 : 249,958.48 = 108,576.74 : x
  2. Step 2: Convert to fraction form
    181,132.86/249,958.48 = 108,576.74/x
  3. Step 3: Cross multiply
    181,132.86x = 249,958.48 × 108,576.74
  4. Step 4: Simplify right side
    181,132.86x = 27,139,675,997.42
  5. Step 5: Solve for x
    x = 27,139,675,997.42/181,132.86
  6. Step 6: Final answer
    x = 149,832.98

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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.