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Finding the Fourth Proportional to 181,103.56, 249,854.34 and 133,470.52

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Solution

The fourth proportional to 181,103.56, 249,854.34 and 133,470.52 is: 184,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,103.56 : 249,854.34 = 133,470.52 : x
  2. Step 2: Convert to fraction form
    181,103.56/249,854.34 = 133,470.52/x
  3. Step 3: Cross multiply
    181,103.56x = 249,854.34 × 133,470.52
  4. Step 4: Simplify right side
    181,103.56x = 33,348,188,684.06
  5. Step 5: Solve for x
    x = 33,348,188,684.06/181,103.56
  6. Step 6: Final answer
    x = 184,138.78

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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.