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Finding the Fourth Proportional to 108,895.47, 163,124.49 and 49,649.64

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Solution

The fourth proportional to 108,895.47, 163,124.49 and 49,649.64 is: 74,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,895.47 : 163,124.49 = 49,649.64 : x
  2. Step 2: Convert to fraction form
    108,895.47/163,124.49 = 49,649.64/x
  3. Step 3: Cross multiply
    108,895.47x = 163,124.49 × 49,649.64
  4. Step 4: Simplify right side
    108,895.47x = 8,099,072,203.68
  5. Step 5: Solve for x
    x = 8,099,072,203.68/108,895.47
  6. Step 6: Final answer
    x = 74,374.74

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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.