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Finding the Fourth Proportional to 159,908.34, 220,682.16 and 88,288.14

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Solution

The fourth proportional to 159,908.34, 220,682.16 and 88,288.14 is: 121,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,908.34 : 220,682.16 = 88,288.14 : x
  2. Step 2: Convert to fraction form
    159,908.34/220,682.16 = 88,288.14/x
  3. Step 3: Cross multiply
    159,908.34x = 220,682.16 × 88,288.14
  4. Step 4: Simplify right side
    159,908.34x = 19,483,617,437.58
  5. Step 5: Solve for x
    x = 19,483,617,437.58/159,908.34
  6. Step 6: Final answer
    x = 121,842.41

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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.