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Finding the Fourth Proportional to 115,793.64, 159,795.21 and 62,801.64

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Solution

The fourth proportional to 115,793.64, 159,795.21 and 62,801.64 is: 86,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,793.64 : 159,795.21 = 62,801.64 : x
  2. Step 2: Convert to fraction form
    115,793.64/159,795.21 = 62,801.64/x
  3. Step 3: Cross multiply
    115,793.64x = 159,795.21 × 62,801.64
  4. Step 4: Simplify right side
    115,793.64x = 10,035,401,252.14
  5. Step 5: Solve for x
    x = 10,035,401,252.14/115,793.64
  6. Step 6: Final answer
    x = 86,666.26

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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.