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Finding the Fourth Proportional to 247,815.88, 371,737.96 and 70,308.92

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Solution

The fourth proportional to 247,815.88, 371,737.96 and 70,308.92 is: 105,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,815.88 : 371,737.96 = 70,308.92 : x
  2. Step 2: Convert to fraction form
    247,815.88/371,737.96 = 70,308.92/x
  3. Step 3: Cross multiply
    247,815.88x = 371,737.96 × 70,308.92
  4. Step 4: Simplify right side
    247,815.88x = 26,136,494,490.60
  5. Step 5: Solve for x
    x = 26,136,494,490.60/247,815.88
  6. Step 6: Final answer
    x = 105,467.39

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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.