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Finding the Fourth Proportional to 157,894.83, 236,682.63 and 67,996.17

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Solution

The fourth proportional to 157,894.83, 236,682.63 and 67,996.17 is: 101,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,894.83 : 236,682.63 = 67,996.17 : x
  2. Step 2: Convert to fraction form
    157,894.83/236,682.63 = 67,996.17/x
  3. Step 3: Cross multiply
    157,894.83x = 236,682.63 × 67,996.17
  4. Step 4: Simplify right side
    157,894.83x = 16,093,512,345.53
  5. Step 5: Solve for x
    x = 16,093,512,345.53/157,894.83
  6. Step 6: Final answer
    x = 101,925.52

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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.