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Finding the Fourth Proportional to 69,662.52, 96,163.70 and 47,032.16

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Solution

The fourth proportional to 69,662.52, 96,163.70 and 47,032.16 is: 64,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.52 : 96,163.70 = 47,032.16 : x
  2. Step 2: Convert to fraction form
    69,662.52/96,163.70 = 47,032.16/x
  3. Step 3: Cross multiply
    69,662.52x = 96,163.70 × 47,032.16
  4. Step 4: Simplify right side
    69,662.52x = 4,522,785,808.61
  5. Step 5: Solve for x
    x = 4,522,785,808.61/69,662.52
  6. Step 6: Final answer
    x = 64,924.23

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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.