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Finding the Fourth Proportional to 161,195.40, 222,385.96 and 93,199.92

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Solution

The fourth proportional to 161,195.40, 222,385.96 and 93,199.92 is: 128,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,195.40 : 222,385.96 = 93,199.92 : x
  2. Step 2: Convert to fraction form
    161,195.40/222,385.96 = 93,199.92/x
  3. Step 3: Cross multiply
    161,195.40x = 222,385.96 × 93,199.92
  4. Step 4: Simplify right side
    161,195.40x = 20,726,353,681.12
  5. Step 5: Solve for x
    x = 20,726,353,681.12/161,195.40
  6. Step 6: Final answer
    x = 128,579.06

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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.