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Finding the Fourth Proportional to 70,119.94, 96,691.83 and 46,216

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Solution

The fourth proportional to 70,119.94, 96,691.83 and 46,216 is: 63,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119.94 : 96,691.83 = 46,216 : x
  2. Step 2: Convert to fraction form
    70,119.94/96,691.83 = 46,216/x
  3. Step 3: Cross multiply
    70,119.94x = 96,691.83 × 46,216
  4. Step 4: Simplify right side
    70,119.94x = 4,468,709,615.28
  5. Step 5: Solve for x
    x = 4,468,709,615.28/70,119.94
  6. Step 6: Final answer
    x = 63,729.51

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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.