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Finding the Fourth Proportional to 247,603.92, 371,266.40 and 79,084.64

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Solution

The fourth proportional to 247,603.92, 371,266.40 and 79,084.64 is: 118,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,603.92 : 371,266.40 = 79,084.64 : x
  2. Step 2: Convert to fraction form
    247,603.92/371,266.40 = 79,084.64/x
  3. Step 3: Cross multiply
    247,603.92x = 371,266.40 × 79,084.64
  4. Step 4: Simplify right side
    247,603.92x = 29,361,467,336.34
  5. Step 5: Solve for x
    x = 29,361,467,336.34/247,603.92
  6. Step 6: Final answer
    x = 118,582.40

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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.