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Finding the Fourth Proportional to 95,978.04, 132,452.51 and 53,535.66

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Solution

The fourth proportional to 95,978.04, 132,452.51 and 53,535.66 is: 73,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,978.04 : 132,452.51 = 53,535.66 : x
  2. Step 2: Convert to fraction form
    95,978.04/132,452.51 = 53,535.66/x
  3. Step 3: Cross multiply
    95,978.04x = 132,452.51 × 53,535.66
  4. Step 4: Simplify right side
    95,978.04x = 7,090,932,541.51
  5. Step 5: Solve for x
    x = 7,090,932,541.51/95,978.04
  6. Step 6: Final answer
    x = 73,880.78

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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.