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Finding the Fourth Proportional to 70,231.92, 105,336.08 and 23,484.72

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Solution

The fourth proportional to 70,231.92, 105,336.08 and 23,484.72 is: 35,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,231.92 : 105,336.08 = 23,484.72 : x
  2. Step 2: Convert to fraction form
    70,231.92/105,336.08 = 23,484.72/x
  3. Step 3: Cross multiply
    70,231.92x = 105,336.08 × 23,484.72
  4. Step 4: Simplify right side
    70,231.92x = 2,473,788,344.70
  5. Step 5: Solve for x
    x = 2,473,788,344.70/70,231.92
  6. Step 6: Final answer
    x = 35,223.13

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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.