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Finding the Fourth Proportional to 95,986.40, 144,044.40 and 53,866.40

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Solution

The fourth proportional to 95,986.40, 144,044.40 and 53,866.40 is: 80,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,986.40 : 144,044.40 = 53,866.40 : x
  2. Step 2: Convert to fraction form
    95,986.40/144,044.40 = 53,866.40/x
  3. Step 3: Cross multiply
    95,986.40x = 144,044.40 × 53,866.40
  4. Step 4: Simplify right side
    95,986.40x = 7,759,153,268.16
  5. Step 5: Solve for x
    x = 7,759,153,268.16/95,986.40
  6. Step 6: Final answer
    x = 80,835.96

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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.