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Finding the Fourth Proportional to 247,047.95, 370,593.81 and 69,556.50

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Solution

The fourth proportional to 247,047.95, 370,593.81 and 69,556.50 is: 104,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,047.95 : 370,593.81 = 69,556.50 : x
  2. Step 2: Convert to fraction form
    247,047.95/370,593.81 = 69,556.50/x
  3. Step 3: Cross multiply
    247,047.95x = 370,593.81 × 69,556.50
  4. Step 4: Simplify right side
    247,047.95x = 25,777,208,345.27
  5. Step 5: Solve for x
    x = 25,777,208,345.27/247,047.95
  6. Step 6: Final answer
    x = 104,340.91

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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.