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Finding the Fourth Proportional to 247,308.75, 370,713.87 and 97,491.06

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Solution

The fourth proportional to 247,308.75, 370,713.87 and 97,491.06 is: 146,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,308.75 : 370,713.87 = 97,491.06 : x
  2. Step 2: Convert to fraction form
    247,308.75/370,713.87 = 97,491.06/x
  3. Step 3: Cross multiply
    247,308.75x = 370,713.87 × 97,491.06
  4. Step 4: Simplify right side
    247,308.75x = 36,141,288,143.00
  5. Step 5: Solve for x
    x = 36,141,288,143.00/247,308.75
  6. Step 6: Final answer
    x = 146,138.33

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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.