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Finding the Fourth Proportional to 155,095.23, 232,644.03 and 84,936.27

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Solution

The fourth proportional to 155,095.23, 232,644.03 and 84,936.27 is: 127,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,095.23 : 232,644.03 = 84,936.27 : x
  2. Step 2: Convert to fraction form
    155,095.23/232,644.03 = 84,936.27/x
  3. Step 3: Cross multiply
    155,095.23x = 232,644.03 × 84,936.27
  4. Step 4: Simplify right side
    155,095.23x = 19,759,916,145.97
  5. Step 5: Solve for x
    x = 19,759,916,145.97/155,095.23
  6. Step 6: Final answer
    x = 127,405.05

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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.