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Finding the Fourth Proportional to 159,422.73, 220,009.01 and 99,026.45

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Solution

The fourth proportional to 159,422.73, 220,009.01 and 99,026.45 is: 136,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,422.73 : 220,009.01 = 99,026.45 : x
  2. Step 2: Convert to fraction form
    159,422.73/220,009.01 = 99,026.45/x
  3. Step 3: Cross multiply
    159,422.73x = 220,009.01 × 99,026.45
  4. Step 4: Simplify right side
    159,422.73x = 21,786,711,015.19
  5. Step 5: Solve for x
    x = 21,786,711,015.19/159,422.73
  6. Step 6: Final answer
    x = 136,660.00

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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.