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Finding the Fourth Proportional to 157,893.97, 237,009.48 and 67,981.18

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Solution

The fourth proportional to 157,893.97, 237,009.48 and 67,981.18 is: 102,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,893.97 : 237,009.48 = 67,981.18 : x
  2. Step 2: Convert to fraction form
    157,893.97/237,009.48 = 67,981.18/x
  3. Step 3: Cross multiply
    157,893.97x = 237,009.48 × 67,981.18
  4. Step 4: Simplify right side
    157,893.97x = 16,112,184,121.59
  5. Step 5: Solve for x
    x = 16,112,184,121.59/157,893.97
  6. Step 6: Final answer
    x = 102,044.33

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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.