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Finding the Fourth Proportional to 157,880.75, 236,989.71 and 67,967.96

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Solution

The fourth proportional to 157,880.75, 236,989.71 and 67,967.96 is: 102,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,880.75 : 236,989.71 = 67,967.96 : x
  2. Step 2: Convert to fraction form
    157,880.75/236,989.71 = 67,967.96/x
  3. Step 3: Cross multiply
    157,880.75x = 236,989.71 × 67,967.96
  4. Step 4: Simplify right side
    157,880.75x = 16,107,705,944.74
  5. Step 5: Solve for x
    x = 16,107,705,944.74/157,880.75
  6. Step 6: Final answer
    x = 102,024.51

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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.