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Finding the Fourth Proportional to 161,501.85, 222,875.15 and 89,884.89

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Solution

The fourth proportional to 161,501.85, 222,875.15 and 89,884.89 is: 124,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,501.85 : 222,875.15 = 89,884.89 : x
  2. Step 2: Convert to fraction form
    161,501.85/222,875.15 = 89,884.89/x
  3. Step 3: Cross multiply
    161,501.85x = 222,875.15 × 89,884.89
  4. Step 4: Simplify right side
    161,501.85x = 20,033,107,892.06
  5. Step 5: Solve for x
    x = 20,033,107,892.06/161,501.85
  6. Step 6: Final answer
    x = 124,042.59

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1.5x scale

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.