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Finding the Fourth Proportional to 155,329.80, 232,476.30 and 108,673.80

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Solution

The fourth proportional to 155,329.80, 232,476.30 and 108,673.80 is: 162,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,329.80 : 232,476.30 = 108,673.80 : x
  2. Step 2: Convert to fraction form
    155,329.80/232,476.30 = 108,673.80/x
  3. Step 3: Cross multiply
    155,329.80x = 232,476.30 × 108,673.80
  4. Step 4: Simplify right side
    155,329.80x = 25,264,082,930.94
  5. Step 5: Solve for x
    x = 25,264,082,930.94/155,329.80
  6. Step 6: Final answer
    x = 162,648.01

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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.