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Finding the Fourth Proportional to 168,472.96, 232,488.64 and 93,019.52

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Solution

The fourth proportional to 168,472.96, 232,488.64 and 93,019.52 is: 128,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,472.96 : 232,488.64 = 93,019.52 : x
  2. Step 2: Convert to fraction form
    168,472.96/232,488.64 = 93,019.52/x
  3. Step 3: Cross multiply
    168,472.96x = 232,488.64 × 93,019.52
  4. Step 4: Simplify right side
    168,472.96x = 21,625,981,698.25
  5. Step 5: Solve for x
    x = 21,625,981,698.25/168,472.96
  6. Step 6: Final answer
    x = 128,364.70

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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.