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Finding the Fourth Proportional to 64,447.88, 88,938.68 and 36,154.17

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Solution

The fourth proportional to 64,447.88, 88,938.68 and 36,154.17 is: 49,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447.88 : 88,938.68 = 36,154.17 : x
  2. Step 2: Convert to fraction form
    64,447.88/88,938.68 = 36,154.17/x
  3. Step 3: Cross multiply
    64,447.88x = 88,938.68 × 36,154.17
  4. Step 4: Simplify right side
    64,447.88x = 3,215,503,975.52
  5. Step 5: Solve for x
    x = 3,215,503,975.52/64,447.88
  6. Step 6: Final answer
    x = 49,893.10

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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.