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Finding the Fourth Proportional to 70,041.38, 96,649.74 and 43,195.95

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Solution

The fourth proportional to 70,041.38, 96,649.74 and 43,195.95 is: 59,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041.38 : 96,649.74 = 43,195.95 : x
  2. Step 2: Convert to fraction form
    70,041.38/96,649.74 = 43,195.95/x
  3. Step 3: Cross multiply
    70,041.38x = 96,649.74 × 43,195.95
  4. Step 4: Simplify right side
    70,041.38x = 4,174,877,336.55
  5. Step 5: Solve for x
    x = 4,174,877,336.55/70,041.38
  6. Step 6: Final answer
    x = 59,605.87

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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.