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Finding the Fourth Proportional to 64,459.53, 88,955.69 and 36,167.31

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Solution

The fourth proportional to 64,459.53, 88,955.69 and 36,167.31 is: 49,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,459.53 : 88,955.69 = 36,167.31 : x
  2. Step 2: Convert to fraction form
    64,459.53/88,955.69 = 36,167.31/x
  3. Step 3: Cross multiply
    64,459.53x = 88,955.69 × 36,167.31
  4. Step 4: Simplify right side
    64,459.53x = 3,217,287,835.66
  5. Step 5: Solve for x
    x = 3,217,287,835.66/64,459.53
  6. Step 6: Final answer
    x = 49,911.75

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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.