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Finding the Fourth Proportional to 155,721.84, 233,543.88 and 50,570.88

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Solution

The fourth proportional to 155,721.84, 233,543.88 and 50,570.88 is: 75,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,721.84 : 233,543.88 = 50,570.88 : x
  2. Step 2: Convert to fraction form
    155,721.84/233,543.88 = 50,570.88/x
  3. Step 3: Cross multiply
    155,721.84x = 233,543.88 × 50,570.88
  4. Step 4: Simplify right side
    155,721.84x = 11,810,519,530.21
  5. Step 5: Solve for x
    x = 11,810,519,530.21/155,721.84
  6. Step 6: Final answer
    x = 75,843.69

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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.