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Finding the Fourth Proportional to 159,853.08, 220,604.58 and 91,892.10

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Solution

The fourth proportional to 159,853.08, 220,604.58 and 91,892.10 is: 126,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,853.08 : 220,604.58 = 91,892.10 : x
  2. Step 2: Convert to fraction form
    159,853.08/220,604.58 = 91,892.10/x
  3. Step 3: Cross multiply
    159,853.08x = 220,604.58 × 91,892.10
  4. Step 4: Simplify right side
    159,853.08x = 20,271,818,125.82
  5. Step 5: Solve for x
    x = 20,271,818,125.82/159,853.08
  6. Step 6: Final answer
    x = 126,815.31

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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.