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Finding the Fourth Proportional to 161,191.46, 222,464.67 and 97,529.78

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Solution

The fourth proportional to 161,191.46, 222,464.67 and 97,529.78 is: 134,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,191.46 : 222,464.67 = 97,529.78 : x
  2. Step 2: Convert to fraction form
    161,191.46/222,464.67 = 97,529.78/x
  3. Step 3: Cross multiply
    161,191.46x = 222,464.67 × 97,529.78
  4. Step 4: Simplify right side
    161,191.46x = 21,696,930,322.87
  5. Step 5: Solve for x
    x = 21,696,930,322.87/161,191.46
  6. Step 6: Final answer
    x = 134,603.47

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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.