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Finding the Fourth Proportional to 247,294.58, 370,934.91 and 78,825.01

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Solution

The fourth proportional to 247,294.58, 370,934.91 and 78,825.01 is: 118,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,294.58 : 370,934.91 = 78,825.01 : x
  2. Step 2: Convert to fraction form
    247,294.58/370,934.91 = 78,825.01/x
  3. Step 3: Cross multiply
    247,294.58x = 370,934.91 × 78,825.01
  4. Step 4: Simplify right side
    247,294.58x = 29,238,947,990.10
  5. Step 5: Solve for x
    x = 29,238,947,990.10/247,294.58
  6. Step 6: Final answer
    x = 118,235.30

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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.