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Finding the Fourth Proportional to 559,081.12, 838,751.28 and 159,727.36

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Solution

The fourth proportional to 559,081.12, 838,751.28 and 159,727.36 is: 239,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,081.12 : 838,751.28 = 159,727.36 : x
  2. Step 2: Convert to fraction form
    559,081.12/838,751.28 = 159,727.36/x
  3. Step 3: Cross multiply
    559,081.12x = 838,751.28 × 159,727.36
  4. Step 4: Simplify right side
    559,081.12x = 133,971,527,651.02
  5. Step 5: Solve for x
    x = 133,971,527,651.02/559,081.12
  6. Step 6: Final answer
    x = 239,628.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.