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Finding the Fourth Proportional to 250,222.84, 375,354.74 and 72,729.66

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Solution

The fourth proportional to 250,222.84, 375,354.74 and 72,729.66 is: 109,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,222.84 : 375,354.74 = 72,729.66 : x
  2. Step 2: Convert to fraction form
    250,222.84/375,354.74 = 72,729.66/x
  3. Step 3: Cross multiply
    250,222.84x = 375,354.74 × 72,729.66
  4. Step 4: Simplify right side
    250,222.84x = 27,299,424,208.99
  5. Step 5: Solve for x
    x = 27,299,424,208.99/250,222.84
  6. Step 6: Final answer
    x = 109,100.45

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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.