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Finding the Fourth Proportional to 159,843.90, 220,586.94 and 88,226.94

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Solution

The fourth proportional to 159,843.90, 220,586.94 and 88,226.94 is: 121,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,843.90 : 220,586.94 = 88,226.94 : x
  2. Step 2: Convert to fraction form
    159,843.90/220,586.94 = 88,226.94/x
  3. Step 3: Cross multiply
    159,843.90x = 220,586.94 × 88,226.94
  4. Step 4: Simplify right side
    159,843.90x = 19,461,710,720.16
  5. Step 5: Solve for x
    x = 19,461,710,720.16/159,843.90
  6. Step 6: Final answer
    x = 121,754.48

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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.