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Finding the Fourth Proportional to 181,081.57, 249,892.73 and 108,526.61

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Solution

The fourth proportional to 181,081.57, 249,892.73 and 108,526.61 is: 149,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,081.57 : 249,892.73 = 108,526.61 : x
  2. Step 2: Convert to fraction form
    181,081.57/249,892.73 = 108,526.61/x
  3. Step 3: Cross multiply
    181,081.57x = 249,892.73 × 108,526.61
  4. Step 4: Simplify right side
    181,081.57x = 27,120,009,329.77
  5. Step 5: Solve for x
    x = 27,120,009,329.77/181,081.57
  6. Step 6: Final answer
    x = 149,766.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.