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Finding the Fourth Proportional to 119,359.84, 179,001.48 and 39,379.88

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Solution

The fourth proportional to 119,359.84, 179,001.48 and 39,379.88 is: 59,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,359.84 : 179,001.48 = 39,379.88 : x
  2. Step 2: Convert to fraction form
    119,359.84/179,001.48 = 39,379.88/x
  3. Step 3: Cross multiply
    119,359.84x = 179,001.48 × 39,379.88
  4. Step 4: Simplify right side
    119,359.84x = 7,049,056,802.22
  5. Step 5: Solve for x
    x = 7,049,056,802.22/119,359.84
  6. Step 6: Final answer
    x = 59,057.19

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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.