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Finding the Fourth Proportional to 250,222.68, 375,294.33 and 81,741.60

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Solution

The fourth proportional to 250,222.68, 375,294.33 and 81,741.60 is: 122,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,222.68 : 375,294.33 = 81,741.60 : x
  2. Step 2: Convert to fraction form
    250,222.68/375,294.33 = 81,741.60/x
  3. Step 3: Cross multiply
    250,222.68x = 375,294.33 × 81,741.60
  4. Step 4: Simplify right side
    250,222.68x = 30,677,159,005.13
  5. Step 5: Solve for x
    x = 30,677,159,005.13/250,222.68
  6. Step 6: Final answer
    x = 122,599.43

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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.