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Finding the Fourth Proportional to 159,805.73, 220,464.81 and 112,090.25

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Solution

The fourth proportional to 159,805.73, 220,464.81 and 112,090.25 is: 154,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,805.73 : 220,464.81 = 112,090.25 : x
  2. Step 2: Convert to fraction form
    159,805.73/220,464.81 = 112,090.25/x
  3. Step 3: Cross multiply
    159,805.73x = 220,464.81 × 112,090.25
  4. Step 4: Simplify right side
    159,805.73x = 24,711,954,566.78
  5. Step 5: Solve for x
    x = 24,711,954,566.78/159,805.73
  6. Step 6: Final answer
    x = 154,637.48

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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.