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Finding the Fourth Proportional to 155,164.88, 214,127.73 and 88,096.88

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Solution

The fourth proportional to 155,164.88, 214,127.73 and 88,096.88 is: 121,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,164.88 : 214,127.73 = 88,096.88 : x
  2. Step 2: Convert to fraction form
    155,164.88/214,127.73 = 88,096.88/x
  3. Step 3: Cross multiply
    155,164.88x = 214,127.73 × 88,096.88
  4. Step 4: Simplify right side
    155,164.88x = 18,863,984,934.48
  5. Step 5: Solve for x
    x = 18,863,984,934.48/155,164.88
  6. Step 6: Final answer
    x = 121,573.81

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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.