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Finding the Fourth Proportional to 157,892.22, 237,006.86 and 67,979.43

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Solution

The fourth proportional to 157,892.22, 237,006.86 and 67,979.43 is: 102,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,892.22 : 237,006.86 = 67,979.43 : x
  2. Step 2: Convert to fraction form
    157,892.22/237,006.86 = 67,979.43/x
  3. Step 3: Cross multiply
    157,892.22x = 237,006.86 × 67,979.43
  4. Step 4: Simplify right side
    157,892.22x = 16,111,590,908.99
  5. Step 5: Solve for x
    x = 16,111,590,908.99/157,892.22
  6. Step 6: Final answer
    x = 102,041.70

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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.