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Finding the Fourth Proportional to 241,219.84, 361,881.06 and 72,752.80

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Solution

The fourth proportional to 241,219.84, 361,881.06 and 72,752.80 is: 109,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,219.84 : 361,881.06 = 72,752.80 : x
  2. Step 2: Convert to fraction form
    241,219.84/361,881.06 = 72,752.80/x
  3. Step 3: Cross multiply
    241,219.84x = 361,881.06 × 72,752.80
  4. Step 4: Simplify right side
    241,219.84x = 26,327,860,381.97
  5. Step 5: Solve for x
    x = 26,327,860,381.97/241,219.84
  6. Step 6: Final answer
    x = 109,144.67

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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.