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Finding the Fourth Proportional to 64,365.71, 88,827.73 and 40,181.00

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Solution

The fourth proportional to 64,365.71, 88,827.73 and 40,181.00 is: 55,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,365.71 : 88,827.73 = 40,181.00 : x
  2. Step 2: Convert to fraction form
    64,365.71/88,827.73 = 40,181.00/x
  3. Step 3: Cross multiply
    64,365.71x = 88,827.73 × 40,181.00
  4. Step 4: Simplify right side
    64,365.71x = 3,569,187,140.75
  5. Step 5: Solve for x
    x = 3,569,187,140.75/64,365.71
  6. Step 6: Final answer
    x = 55,451.68

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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.