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Finding the Fourth Proportional to 119,898.24, 179,808.41 and 39,914.72

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Solution

The fourth proportional to 119,898.24, 179,808.41 and 39,914.72 is: 59,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,898.24 : 179,808.41 = 39,914.72 : x
  2. Step 2: Convert to fraction form
    119,898.24/179,808.41 = 39,914.72/x
  3. Step 3: Cross multiply
    119,898.24x = 179,808.41 × 39,914.72
  4. Step 4: Simplify right side
    119,898.24x = 7,177,001,240.18
  5. Step 5: Solve for x
    x = 7,177,001,240.18/119,898.24
  6. Step 6: Final answer
    x = 59,859.10

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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.