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Finding the Fourth Proportional to 247,281.78, 370,870.76 and 69,747.27

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Solution

The fourth proportional to 247,281.78, 370,870.76 and 69,747.27 is: 104,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,281.78 : 370,870.76 = 69,747.27 : x
  2. Step 2: Convert to fraction form
    247,281.78/370,870.76 = 69,747.27/x
  3. Step 3: Cross multiply
    247,281.78x = 370,870.76 × 69,747.27
  4. Step 4: Simplify right side
    247,281.78x = 25,867,221,004.10
  5. Step 5: Solve for x
    x = 25,867,221,004.10/247,281.78
  6. Step 6: Final answer
    x = 104,606.26

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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.