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Finding the Fourth Proportional to 155,793.51, 233,897.83 and 105,361.97

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Solution

The fourth proportional to 155,793.51, 233,897.83 and 105,361.97 is: 158,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,793.51 : 233,897.83 = 105,361.97 : x
  2. Step 2: Convert to fraction form
    155,793.51/233,897.83 = 105,361.97/x
  3. Step 3: Cross multiply
    155,793.51x = 233,897.83 × 105,361.97
  4. Step 4: Simplify right side
    155,793.51x = 24,643,934,714.63
  5. Step 5: Solve for x
    x = 24,643,934,714.63/155,793.51
  6. Step 6: Final answer
    x = 158,183.32

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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.