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Finding the Fourth Proportional to 108,684.54, 163,027.47 and 49,478.82

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Solution

The fourth proportional to 108,684.54, 163,027.47 and 49,478.82 is: 74,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,684.54 : 163,027.47 = 49,478.82 : x
  2. Step 2: Convert to fraction form
    108,684.54/163,027.47 = 49,478.82/x
  3. Step 3: Cross multiply
    108,684.54x = 163,027.47 × 49,478.82
  4. Step 4: Simplify right side
    108,684.54x = 8,066,406,843.19
  5. Step 5: Solve for x
    x = 8,066,406,843.19/108,684.54
  6. Step 6: Final answer
    x = 74,218.53

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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.