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Finding the Fourth Proportional to 161,334.74, 222,647.31 and 88,740.69

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Solution

The fourth proportional to 161,334.74, 222,647.31 and 88,740.69 is: 122,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,334.74 : 222,647.31 = 88,740.69 : x
  2. Step 2: Convert to fraction form
    161,334.74/222,647.31 = 88,740.69/x
  3. Step 3: Cross multiply
    161,334.74x = 222,647.31 × 88,740.69
  4. Step 4: Simplify right side
    161,334.74x = 19,757,875,916.04
  5. Step 5: Solve for x
    x = 19,757,875,916.04/161,334.74
  6. Step 6: Final answer
    x = 122,465.11

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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.