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Finding the Fourth Proportional to 119,681.28, 179,369.26 and 63,548.28

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Solution

The fourth proportional to 119,681.28, 179,369.26 and 63,548.28 is: 95,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,681.28 : 179,369.26 = 63,548.28 : x
  2. Step 2: Convert to fraction form
    119,681.28/179,369.26 = 63,548.28/x
  3. Step 3: Cross multiply
    119,681.28x = 179,369.26 × 63,548.28
  4. Step 4: Simplify right side
    119,681.28x = 11,398,607,799.00
  5. Step 5: Solve for x
    x = 11,398,607,799.00/119,681.28
  6. Step 6: Final answer
    x = 95,241.36

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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.