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Finding the Fourth Proportional to 70,063.88, 96,688.17 and 44,913.38

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Solution

The fourth proportional to 70,063.88, 96,688.17 and 44,913.38 is: 61,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.88 : 96,688.17 = 44,913.38 : x
  2. Step 2: Convert to fraction form
    70,063.88/96,688.17 = 44,913.38/x
  3. Step 3: Cross multiply
    70,063.88x = 96,688.17 × 44,913.38
  4. Step 4: Simplify right side
    70,063.88x = 4,342,592,037.27
  5. Step 5: Solve for x
    x = 4,342,592,037.27/70,063.88
  6. Step 6: Final answer
    x = 61,980.47

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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.