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Finding the Fourth Proportional to 95,988.69, 144,005.76 and 43,398.09

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Solution

The fourth proportional to 95,988.69, 144,005.76 and 43,398.09 is: 65,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,988.69 : 144,005.76 = 43,398.09 : x
  2. Step 2: Convert to fraction form
    95,988.69/144,005.76 = 43,398.09/x
  3. Step 3: Cross multiply
    95,988.69x = 144,005.76 × 43,398.09
  4. Step 4: Simplify right side
    95,988.69x = 6,249,574,933.00
  5. Step 5: Solve for x
    x = 6,249,574,933.00/95,988.69
  6. Step 6: Final answer
    x = 65,107.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.