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Finding the Fourth Proportional to 181,058.70, 249,862.66 and 109,486.56

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Solution

The fourth proportional to 181,058.70, 249,862.66 and 109,486.56 is: 151,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,058.70 : 249,862.66 = 109,486.56 : x
  2. Step 2: Convert to fraction form
    181,058.70/249,862.66 = 109,486.56/x
  3. Step 3: Cross multiply
    181,058.70x = 249,862.66 × 109,486.56
  4. Step 4: Simplify right side
    181,058.70x = 27,356,603,115.85
  5. Step 5: Solve for x
    x = 27,356,603,115.85/181,058.70
  6. Step 6: Final answer
    x = 151,092.45

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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.