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Finding the Fourth Proportional to 95,695.91, 132,051.76 and 55,412.40

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Solution

The fourth proportional to 95,695.91, 132,051.76 and 55,412.40 is: 76,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,695.91 : 132,051.76 = 55,412.40 : x
  2. Step 2: Convert to fraction form
    95,695.91/132,051.76 = 55,412.40/x
  3. Step 3: Cross multiply
    95,695.91x = 132,051.76 × 55,412.40
  4. Step 4: Simplify right side
    95,695.91x = 7,317,304,945.82
  5. Step 5: Solve for x
    x = 7,317,304,945.82/95,695.91
  6. Step 6: Final answer
    x = 76,464.13

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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.