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Finding the Fourth Proportional to 181,898.36, 250,986.42 and 101,323.88

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Solution

The fourth proportional to 181,898.36, 250,986.42 and 101,323.88 is: 139,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,898.36 : 250,986.42 = 101,323.88 : x
  2. Step 2: Convert to fraction form
    181,898.36/250,986.42 = 101,323.88/x
  3. Step 3: Cross multiply
    181,898.36x = 250,986.42 × 101,323.88
  4. Step 4: Simplify right side
    181,898.36x = 25,430,917,901.71
  5. Step 5: Solve for x
    x = 25,430,917,901.71/181,898.36
  6. Step 6: Final answer
    x = 139,808.40

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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.