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Finding the Fourth Proportional to 73,751.50, 110,425.65 and 51,587.02

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Solution

The fourth proportional to 73,751.50, 110,425.65 and 51,587.02 is: 77,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,751.50 : 110,425.65 = 51,587.02 : x
  2. Step 2: Convert to fraction form
    73,751.50/110,425.65 = 51,587.02/x
  3. Step 3: Cross multiply
    73,751.50x = 110,425.65 × 51,587.02
  4. Step 4: Simplify right side
    73,751.50x = 5,696,530,215.06
  5. Step 5: Solve for x
    x = 5,696,530,215.06/73,751.50
  6. Step 6: Final answer
    x = 77,239.52

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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.