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Finding the Fourth Proportional to 161,495.90, 222,862.17 and 89,875.90

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Solution

The fourth proportional to 161,495.90, 222,862.17 and 89,875.90 is: 124,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,495.90 : 222,862.17 = 89,875.90 : x
  2. Step 2: Convert to fraction form
    161,495.90/222,862.17 = 89,875.90/x
  3. Step 3: Cross multiply
    161,495.90x = 222,862.17 × 89,875.90
  4. Step 4: Simplify right side
    161,495.90x = 20,029,939,220.73
  5. Step 5: Solve for x
    x = 20,029,939,220.73/161,495.90
  6. Step 6: Final answer
    x = 124,027.54

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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.