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Finding the Fourth Proportional to 119,898.40, 179,993.40 and 60,703.60

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Solution

The fourth proportional to 119,898.40, 179,993.40 and 60,703.60 is: 91,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,898.40 : 179,993.40 = 60,703.60 : x
  2. Step 2: Convert to fraction form
    119,898.40/179,993.40 = 60,703.60/x
  3. Step 3: Cross multiply
    119,898.40x = 179,993.40 × 60,703.60
  4. Step 4: Simplify right side
    119,898.40x = 10,926,247,356.24
  5. Step 5: Solve for x
    x = 10,926,247,356.24/119,898.40
  6. Step 6: Final answer
    x = 91,129.22

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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.