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Finding the Fourth Proportional to 100,585.89, 150,913.26 and 63,100.71

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Solution

The fourth proportional to 100,585.89, 150,913.26 and 63,100.71 is: 94,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,585.89 : 150,913.26 = 63,100.71 : x
  2. Step 2: Convert to fraction form
    100,585.89/150,913.26 = 63,100.71/x
  3. Step 3: Cross multiply
    100,585.89x = 150,913.26 × 63,100.71
  4. Step 4: Simplify right side
    100,585.89x = 9,522,733,854.41
  5. Step 5: Solve for x
    x = 9,522,733,854.41/100,585.89
  6. Step 6: Final answer
    x = 94,672.66

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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.