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Finding the Fourth Proportional to 62,899.84, 94,349.76 and 43,118.43

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Solution

The fourth proportional to 62,899.84, 94,349.76 and 43,118.43 is: 64,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,899.84 : 94,349.76 = 43,118.43 : x
  2. Step 2: Convert to fraction form
    62,899.84/94,349.76 = 43,118.43/x
  3. Step 3: Cross multiply
    62,899.84x = 94,349.76 × 43,118.43
  4. Step 4: Simplify right side
    62,899.84x = 4,068,213,249.11
  5. Step 5: Solve for x
    x = 4,068,213,249.11/62,899.84
  6. Step 6: Final answer
    x = 64,677.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.