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Finding the Fourth Proportional to 247,586.00, 371,405.75 and 79,047.27

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Solution

The fourth proportional to 247,586.00, 371,405.75 and 79,047.27 is: 118,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,586.00 : 371,405.75 = 79,047.27 : x
  2. Step 2: Convert to fraction form
    247,586.00/371,405.75 = 79,047.27/x
  3. Step 3: Cross multiply
    247,586.00x = 371,405.75 × 79,047.27
  4. Step 4: Simplify right side
    247,586.00x = 29,358,610,204.57
  5. Step 5: Solve for x
    x = 29,358,610,204.57/247,586.00
  6. Step 6: Final answer
    x = 118,579.45

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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.