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Finding the Fourth Proportional to 69,673.78, 96,090.60 and 47,009.14

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Solution

The fourth proportional to 69,673.78, 96,090.60 and 47,009.14 is: 64,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,673.78 : 96,090.60 = 47,009.14 : x
  2. Step 2: Convert to fraction form
    69,673.78/96,090.60 = 47,009.14/x
  3. Step 3: Cross multiply
    69,673.78x = 96,090.60 × 47,009.14
  4. Step 4: Simplify right side
    69,673.78x = 4,517,136,468.08
  5. Step 5: Solve for x
    x = 4,517,136,468.08/69,673.78
  6. Step 6: Final answer
    x = 64,832.66

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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.