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Finding the Fourth Proportional to 192,758.60, 289,127.10 and 59,637.80

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Solution

The fourth proportional to 192,758.60, 289,127.10 and 59,637.80 is: 89,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,758.60 : 289,127.10 = 59,637.80 : x
  2. Step 2: Convert to fraction form
    192,758.60/289,127.10 = 59,637.80/x
  3. Step 3: Cross multiply
    192,758.60x = 289,127.10 × 59,637.80
  4. Step 4: Simplify right side
    192,758.60x = 17,242,904,164.38
  5. Step 5: Solve for x
    x = 17,242,904,164.38/192,758.60
  6. Step 6: Final answer
    x = 89,453.36

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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.