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Finding the Fourth Proportional to 70,063.92, 96,688.20 and 44,913.42

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Solution

The fourth proportional to 70,063.92, 96,688.20 and 44,913.42 is: 61,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.92 : 96,688.20 = 44,913.42 : x
  2. Step 2: Convert to fraction form
    70,063.92/96,688.20 = 44,913.42/x
  3. Step 3: Cross multiply
    70,063.92x = 96,688.20 × 44,913.42
  4. Step 4: Simplify right side
    70,063.92x = 4,342,597,735.64
  5. Step 5: Solve for x
    x = 4,342,597,735.64/70,063.92
  6. Step 6: Final answer
    x = 61,980.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.