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Finding the Fourth Proportional to 240,168.21, 359,754.06 and 140,024.67

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Solution

The fourth proportional to 240,168.21, 359,754.06 and 140,024.67 is: 209,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,168.21 : 359,754.06 = 140,024.67 : x
  2. Step 2: Convert to fraction form
    240,168.21/359,754.06 = 140,024.67/x
  3. Step 3: Cross multiply
    240,168.21x = 359,754.06 × 140,024.67
  4. Step 4: Simplify right side
    240,168.21x = 50,374,443,532.66
  5. Step 5: Solve for x
    x = 50,374,443,532.66/240,168.21
  6. Step 6: Final answer
    x = 209,746.51

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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.