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Finding the Fourth Proportional to 119,365.98, 179,035.62 and 30,621.60

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Solution

The fourth proportional to 119,365.98, 179,035.62 and 30,621.60 is: 45,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,365.98 : 179,035.62 = 30,621.60 : x
  2. Step 2: Convert to fraction form
    119,365.98/179,035.62 = 30,621.60/x
  3. Step 3: Cross multiply
    119,365.98x = 179,035.62 × 30,621.60
  4. Step 4: Simplify right side
    119,365.98x = 5,482,357,141.39
  5. Step 5: Solve for x
    x = 5,482,357,141.39/119,365.98
  6. Step 6: Final answer
    x = 45,928.98

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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.