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Finding the Fourth Proportional to 101,646.94, 140,341.24 and 63,464.62

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Solution

The fourth proportional to 101,646.94, 140,341.24 and 63,464.62 is: 87,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,646.94 : 140,341.24 = 63,464.62 : x
  2. Step 2: Convert to fraction form
    101,646.94/140,341.24 = 63,464.62/x
  3. Step 3: Cross multiply
    101,646.94x = 140,341.24 × 63,464.62
  4. Step 4: Simplify right side
    101,646.94x = 8,906,703,466.93
  5. Step 5: Solve for x
    x = 8,906,703,466.93/101,646.94
  6. Step 6: Final answer
    x = 87,623.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.