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Finding the Fourth Proportional to 64,459.28, 88,955.34 and 36,167.08

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Solution

The fourth proportional to 64,459.28, 88,955.34 and 36,167.08 is: 49,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,459.28 : 88,955.34 = 36,167.08 : x
  2. Step 2: Convert to fraction form
    64,459.28/88,955.34 = 36,167.08/x
  3. Step 3: Cross multiply
    64,459.28x = 88,955.34 × 36,167.08
  4. Step 4: Simplify right side
    64,459.28x = 3,217,254,898.21
  5. Step 5: Solve for x
    x = 3,217,254,898.21/64,459.28
  6. Step 6: Final answer
    x = 49,911.43

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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.