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Finding the Fourth Proportional to 247,495.76, 371,250.02 and 79,015.92

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Solution

The fourth proportional to 247,495.76, 371,250.02 and 79,015.92 is: 118,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,495.76 : 371,250.02 = 79,015.92 : x
  2. Step 2: Convert to fraction form
    247,495.76/371,250.02 = 79,015.92/x
  3. Step 3: Cross multiply
    247,495.76x = 371,250.02 × 79,015.92
  4. Step 4: Simplify right side
    247,495.76x = 29,334,661,880.32
  5. Step 5: Solve for x
    x = 29,334,661,880.32/247,495.76
  6. Step 6: Final answer
    x = 118,525.92

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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.