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Finding the Fourth Proportional to 161,482.40, 222,800.96 and 96,934.88

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Solution

The fourth proportional to 161,482.40, 222,800.96 and 96,934.88 is: 133,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,482.40 : 222,800.96 = 96,934.88 : x
  2. Step 2: Convert to fraction form
    161,482.40/222,800.96 = 96,934.88/x
  3. Step 3: Cross multiply
    161,482.40x = 222,800.96 × 96,934.88
  4. Step 4: Simplify right side
    161,482.40x = 21,597,184,321.48
  5. Step 5: Solve for x
    x = 21,597,184,321.48/161,482.40
  6. Step 6: Final answer
    x = 133,743.27

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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.