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Finding the Fourth Proportional to 70,121.44, 96,693.90 and 46,217.50

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Solution

The fourth proportional to 70,121.44, 96,693.90 and 46,217.50 is: 63,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,121.44 : 96,693.90 = 46,217.50 : x
  2. Step 2: Convert to fraction form
    70,121.44/96,693.90 = 46,217.50/x
  3. Step 3: Cross multiply
    70,121.44x = 96,693.90 × 46,217.50
  4. Step 4: Simplify right side
    70,121.44x = 4,468,950,323.25
  5. Step 5: Solve for x
    x = 4,468,950,323.25/70,121.44
  6. Step 6: Final answer
    x = 63,731.58

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1.5x scale

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.