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Finding the Fourth Proportional to 247,006.62, 370,502.46 and 97,138.80

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Solution

The fourth proportional to 247,006.62, 370,502.46 and 97,138.80 is: 145,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,006.62 : 370,502.46 = 97,138.80 : x
  2. Step 2: Convert to fraction form
    247,006.62/370,502.46 = 97,138.80/x
  3. Step 3: Cross multiply
    247,006.62x = 370,502.46 × 97,138.80
  4. Step 4: Simplify right side
    247,006.62x = 35,990,164,361.45
  5. Step 5: Solve for x
    x = 35,990,164,361.45/247,006.62
  6. Step 6: Final answer
    x = 145,705.26

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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.