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Finding the Fourth Proportional to 119,368.98, 179,040.12 and 30,624.60

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Solution

The fourth proportional to 119,368.98, 179,040.12 and 30,624.60 is: 45,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,368.98 : 179,040.12 = 30,624.60 : x
  2. Step 2: Convert to fraction form
    119,368.98/179,040.12 = 30,624.60/x
  3. Step 3: Cross multiply
    119,368.98x = 179,040.12 × 30,624.60
  4. Step 4: Simplify right side
    119,368.98x = 5,483,032,058.95
  5. Step 5: Solve for x
    x = 5,483,032,058.95/119,368.98
  6. Step 6: Final answer
    x = 45,933.48

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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.