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Finding the Fourth Proportional to 159,426.48, 220,004.04 and 86,827.73

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Solution

The fourth proportional to 159,426.48, 220,004.04 and 86,827.73 is: 119,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426.48 : 220,004.04 = 86,827.73 : x
  2. Step 2: Convert to fraction form
    159,426.48/220,004.04 = 86,827.73/x
  3. Step 3: Cross multiply
    159,426.48x = 220,004.04 × 86,827.73
  4. Step 4: Simplify right side
    159,426.48x = 19,102,450,284.01
  5. Step 5: Solve for x
    x = 19,102,450,284.01/159,426.48
  6. Step 6: Final answer
    x = 119,819.81

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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.