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Finding the Fourth Proportional to 159,309.48, 238,890.66 and 59,443.08

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Solution

The fourth proportional to 159,309.48, 238,890.66 and 59,443.08 is: 89,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,309.48 : 238,890.66 = 59,443.08 : x
  2. Step 2: Convert to fraction form
    159,309.48/238,890.66 = 59,443.08/x
  3. Step 3: Cross multiply
    159,309.48x = 238,890.66 × 59,443.08
  4. Step 4: Simplify right side
    159,309.48x = 14,200,396,613.63
  5. Step 5: Solve for x
    x = 14,200,396,613.63/159,309.48
  6. Step 6: Final answer
    x = 89,137.17

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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.