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Finding the Fourth Proportional to 73,414.86, 101,256.40 and 63,223.54

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Solution

The fourth proportional to 73,414.86, 101,256.40 and 63,223.54 is: 87,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,414.86 : 101,256.40 = 63,223.54 : x
  2. Step 2: Convert to fraction form
    73,414.86/101,256.40 = 63,223.54/x
  3. Step 3: Cross multiply
    73,414.86x = 101,256.40 × 63,223.54
  4. Step 4: Simplify right side
    73,414.86x = 6,401,788,055.66
  5. Step 5: Solve for x
    x = 6,401,788,055.66/73,414.86
  6. Step 6: Final answer
    x = 87,200.17

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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.