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Finding the Fourth Proportional to 181,364.47, 250,277.97 and 100,789.96

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Solution

The fourth proportional to 181,364.47, 250,277.97 and 100,789.96 is: 139,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,364.47 : 250,277.97 = 100,789.96 : x
  2. Step 2: Convert to fraction form
    181,364.47/250,277.97 = 100,789.96/x
  3. Step 3: Cross multiply
    181,364.47x = 250,277.97 × 100,789.96
  4. Step 4: Simplify right side
    181,364.47x = 25,225,506,585.18
  5. Step 5: Solve for x
    x = 25,225,506,585.18/181,364.47
  6. Step 6: Final answer
    x = 139,087.37

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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.