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Finding the Fourth Proportional to 119,355.57, 179,019.98 and 30,611.16

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Solution

The fourth proportional to 119,355.57, 179,019.98 and 30,611.16 is: 45,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,355.57 : 179,019.98 = 30,611.16 : x
  2. Step 2: Convert to fraction form
    119,355.57/179,019.98 = 30,611.16/x
  3. Step 3: Cross multiply
    119,355.57x = 179,019.98 × 30,611.16
  4. Step 4: Simplify right side
    119,355.57x = 5,480,009,097.92
  5. Step 5: Solve for x
    x = 5,480,009,097.92/119,355.57
  6. Step 6: Final answer
    x = 45,913.31

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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.