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Finding the Fourth Proportional to 70,207.82, 105,328.43 and 22,823.12

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Solution

The fourth proportional to 70,207.82, 105,328.43 and 22,823.12 is: 34,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,207.82 : 105,328.43 = 22,823.12 : x
  2. Step 2: Convert to fraction form
    70,207.82/105,328.43 = 22,823.12/x
  3. Step 3: Cross multiply
    70,207.82x = 105,328.43 × 22,823.12
  4. Step 4: Simplify right side
    70,207.82x = 2,403,923,760.47
  5. Step 5: Solve for x
    x = 2,403,923,760.47/70,207.82
  6. Step 6: Final answer
    x = 34,240.11

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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.