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Finding the Fourth Proportional to 247,592.16, 371,344.32 and 112,624.80

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Solution

The fourth proportional to 247,592.16, 371,344.32 and 112,624.80 is: 168,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,592.16 : 371,344.32 = 112,624.80 : x
  2. Step 2: Convert to fraction form
    247,592.16/371,344.32 = 112,624.80/x
  3. Step 3: Cross multiply
    247,592.16x = 371,344.32 × 112,624.80
  4. Step 4: Simplify right side
    247,592.16x = 41,822,579,771.14
  5. Step 5: Solve for x
    x = 41,822,579,771.14/247,592.16
  6. Step 6: Final answer
    x = 168,917.22

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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.