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Finding the Fourth Proportional to 159,215.87, 238,815.99 and 59,368.25

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Solution

The fourth proportional to 159,215.87, 238,815.99 and 59,368.25 is: 89,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,215.87 : 238,815.99 = 59,368.25 : x
  2. Step 2: Convert to fraction form
    159,215.87/238,815.99 = 59,368.25/x
  3. Step 3: Cross multiply
    159,215.87x = 238,815.99 × 59,368.25
  4. Step 4: Simplify right side
    159,215.87x = 14,178,087,101.48
  5. Step 5: Solve for x
    x = 14,178,087,101.48/159,215.87
  6. Step 6: Final answer
    x = 89,049.46

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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.