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Finding the Fourth Proportional to 240,045.54, 360,063.68 and 71,679.95

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Solution

The fourth proportional to 240,045.54, 360,063.68 and 71,679.95 is: 107,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,045.54 : 360,063.68 = 71,679.95 : x
  2. Step 2: Convert to fraction form
    240,045.54/360,063.68 = 71,679.95/x
  3. Step 3: Cross multiply
    240,045.54x = 360,063.68 × 71,679.95
  4. Step 4: Simplify right side
    240,045.54x = 25,809,344,420.50
  5. Step 5: Solve for x
    x = 25,809,344,420.50/240,045.54
  6. Step 6: Final answer
    x = 107,518.53

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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.