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Finding the Fourth Proportional to 130,336.01, 179,866.43 and 73,747.38

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Solution

The fourth proportional to 130,336.01, 179,866.43 and 73,747.38 is: 101,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336.01 : 179,866.43 = 73,747.38 : x
  2. Step 2: Convert to fraction form
    130,336.01/179,866.43 = 73,747.38/x
  3. Step 3: Cross multiply
    130,336.01x = 179,866.43 × 73,747.38
  4. Step 4: Simplify right side
    130,336.01x = 13,264,677,593.72
  5. Step 5: Solve for x
    x = 13,264,677,593.72/130,336.01
  6. Step 6: Final answer
    x = 101,772.93

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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.