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Finding the Fourth Proportional to 168,689.79, 232,754.41 and 97,069.81

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Solution

The fourth proportional to 168,689.79, 232,754.41 and 97,069.81 is: 133,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,689.79 : 232,754.41 = 97,069.81 : x
  2. Step 2: Convert to fraction form
    168,689.79/232,754.41 = 97,069.81/x
  3. Step 3: Cross multiply
    168,689.79x = 232,754.41 × 97,069.81
  4. Step 4: Simplify right side
    168,689.79x = 22,593,426,355.36
  5. Step 5: Solve for x
    x = 22,593,426,355.36/168,689.79
  6. Step 6: Final answer
    x = 133,934.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.