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Finding the Fourth Proportional to 277,659.69, 416,530.19 and 88,056.78

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Solution

The fourth proportional to 277,659.69, 416,530.19 and 88,056.78 is: 132,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,659.69 : 416,530.19 = 88,056.78 : x
  2. Step 2: Convert to fraction form
    277,659.69/416,530.19 = 88,056.78/x
  3. Step 3: Cross multiply
    277,659.69x = 416,530.19 × 88,056.78
  4. Step 4: Simplify right side
    277,659.69x = 36,678,307,304.19
  5. Step 5: Solve for x
    x = 36,678,307,304.19/277,659.69
  6. Step 6: Final answer
    x = 132,098.06

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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.