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Finding the Fourth Proportional to 247,049.01, 370,595.40 and 69,557.56

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Solution

The fourth proportional to 247,049.01, 370,595.40 and 69,557.56 is: 104,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,049.01 : 370,595.40 = 69,557.56 : x
  2. Step 2: Convert to fraction form
    247,049.01/370,595.40 = 69,557.56/x
  3. Step 3: Cross multiply
    247,049.01x = 370,595.40 × 69,557.56
  4. Step 4: Simplify right side
    247,049.01x = 25,777,711,771.22
  5. Step 5: Solve for x
    x = 25,777,711,771.22/247,049.01
  6. Step 6: Final answer
    x = 104,342.50

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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.