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Finding the Fourth Proportional to 161,459.35, 222,810.10 and 89,837.84

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Solution

The fourth proportional to 161,459.35, 222,810.10 and 89,837.84 is: 123,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,459.35 : 222,810.10 = 89,837.84 : x
  2. Step 2: Convert to fraction form
    161,459.35/222,810.10 = 89,837.84/x
  3. Step 3: Cross multiply
    161,459.35x = 222,810.10 × 89,837.84
  4. Step 4: Simplify right side
    161,459.35x = 20,016,778,446.61
  5. Step 5: Solve for x
    x = 20,016,778,446.61/161,459.35
  6. Step 6: Final answer
    x = 123,974.11

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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.