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Finding the Fourth Proportional to 163,627.70, 245,512.62 and 88,800.71

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Solution

The fourth proportional to 163,627.70, 245,512.62 and 88,800.71 is: 133,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,627.70 : 245,512.62 = 88,800.71 : x
  2. Step 2: Convert to fraction form
    163,627.70/245,512.62 = 88,800.71/x
  3. Step 3: Cross multiply
    163,627.70x = 245,512.62 × 88,800.71
  4. Step 4: Simplify right side
    163,627.70x = 21,801,693,742.40
  5. Step 5: Solve for x
    x = 21,801,693,742.40/163,627.70
  6. Step 6: Final answer
    x = 133,239.63

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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.