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Finding the Fourth Proportional to 181,866.78, 250,983.95 and 101,294.33

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Solution

The fourth proportional to 181,866.78, 250,983.95 and 101,294.33 is: 139,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,866.78 : 250,983.95 = 101,294.33 : x
  2. Step 2: Convert to fraction form
    181,866.78/250,983.95 = 101,294.33/x
  3. Step 3: Cross multiply
    181,866.78x = 250,983.95 × 101,294.33
  4. Step 4: Simplify right side
    181,866.78x = 25,423,249,294.61
  5. Step 5: Solve for x
    x = 25,423,249,294.61/181,866.78
  6. Step 6: Final answer
    x = 139,790.51

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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.