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Finding the Fourth Proportional to 86,097.96, 118,815.84 and 47,858.04

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Solution

The fourth proportional to 86,097.96, 118,815.84 and 47,858.04 is: 66,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,097.96 : 118,815.84 = 47,858.04 : x
  2. Step 2: Convert to fraction form
    86,097.96/118,815.84 = 47,858.04/x
  3. Step 3: Cross multiply
    86,097.96x = 118,815.84 × 47,858.04
  4. Step 4: Simplify right side
    86,097.96x = 5,686,293,223.35
  5. Step 5: Solve for x
    x = 5,686,293,223.35/86,097.96
  6. Step 6: Final answer
    x = 66,044.46

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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.