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Finding the Fourth Proportional to 69,753.68, 96,281.16 and 47,410.64

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Solution

The fourth proportional to 69,753.68, 96,281.16 and 47,410.64 is: 65,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,753.68 : 96,281.16 = 47,410.64 : x
  2. Step 2: Convert to fraction form
    69,753.68/96,281.16 = 47,410.64/x
  3. Step 3: Cross multiply
    69,753.68x = 96,281.16 × 47,410.64
  4. Step 4: Simplify right side
    69,753.68x = 4,564,751,415.54
  5. Step 5: Solve for x
    x = 4,564,751,415.54/69,753.68
  6. Step 6: Final answer
    x = 65,441.01

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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.