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Finding the Fourth Proportional to 181,065.85, 249,892.99 and 104,584.86

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Solution

The fourth proportional to 181,065.85, 249,892.99 and 104,584.86 is: 144,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,065.85 : 249,892.99 = 104,584.86 : x
  2. Step 2: Convert to fraction form
    181,065.85/249,892.99 = 104,584.86/x
  3. Step 3: Cross multiply
    181,065.85x = 249,892.99 × 104,584.86
  4. Step 4: Simplify right side
    181,065.85x = 26,135,023,374.13
  5. Step 5: Solve for x
    x = 26,135,023,374.13/181,065.85
  6. Step 6: Final answer
    x = 144,339.88

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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.