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Finding the Fourth Proportional to 161,216.52, 222,484.20 and 89,599.56

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Solution

The fourth proportional to 161,216.52, 222,484.20 and 89,599.56 is: 123,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,216.52 : 222,484.20 = 89,599.56 : x
  2. Step 2: Convert to fraction form
    161,216.52/222,484.20 = 89,599.56/x
  3. Step 3: Cross multiply
    161,216.52x = 222,484.20 × 89,599.56
  4. Step 4: Simplify right side
    161,216.52x = 19,934,486,426.95
  5. Step 5: Solve for x
    x = 19,934,486,426.95/161,216.52
  6. Step 6: Final answer
    x = 123,650.40

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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.