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Finding the Fourth Proportional to 119,478.51, 179,248.99 and 44,599.30

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Solution

The fourth proportional to 119,478.51, 179,248.99 and 44,599.30 is: 66,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,478.51 : 179,248.99 = 44,599.30 : x
  2. Step 2: Convert to fraction form
    119,478.51/179,248.99 = 44,599.30/x
  3. Step 3: Cross multiply
    119,478.51x = 179,248.99 × 44,599.30
  4. Step 4: Simplify right side
    119,478.51x = 7,994,378,688.92
  5. Step 5: Solve for x
    x = 7,994,378,688.92/119,478.51
  6. Step 6: Final answer
    x = 66,910.60

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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.