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Finding the Fourth Proportional to 168,866.83, 232,934.70 and 111,506.68

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Solution

The fourth proportional to 168,866.83, 232,934.70 and 111,506.68 is: 153,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,866.83 : 232,934.70 = 111,506.68 : x
  2. Step 2: Convert to fraction form
    168,866.83/232,934.70 = 111,506.68/x
  3. Step 3: Cross multiply
    168,866.83x = 232,934.70 × 111,506.68
  4. Step 4: Simplify right side
    168,866.83x = 25,973,775,053.80
  5. Step 5: Solve for x
    x = 25,973,775,053.80/168,866.83
  6. Step 6: Final answer
    x = 153,812.18

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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.