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Finding the Fourth Proportional to 79,098.39, 118,666.62 and 32,351.40

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Solution

The fourth proportional to 79,098.39, 118,666.62 and 32,351.40 is: 48,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,098.39 : 118,666.62 = 32,351.40 : x
  2. Step 2: Convert to fraction form
    79,098.39/118,666.62 = 32,351.40/x
  3. Step 3: Cross multiply
    79,098.39x = 118,666.62 × 32,351.40
  4. Step 4: Simplify right side
    79,098.39x = 3,839,031,290.27
  5. Step 5: Solve for x
    x = 3,839,031,290.27/79,098.39
  6. Step 6: Final answer
    x = 48,534.89

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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.