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Finding the Fourth Proportional to 161,560.80, 222,913.44 and 97,040.88

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Solution

The fourth proportional to 161,560.80, 222,913.44 and 97,040.88 is: 133,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,560.80 : 222,913.44 = 97,040.88 : x
  2. Step 2: Convert to fraction form
    161,560.80/222,913.44 = 97,040.88/x
  3. Step 3: Cross multiply
    161,560.80x = 222,913.44 × 97,040.88
  4. Step 4: Simplify right side
    161,560.80x = 21,631,716,381.43
  5. Step 5: Solve for x
    x = 21,631,716,381.43/161,560.80
  6. Step 6: Final answer
    x = 133,892.11

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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.