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Finding the Fourth Proportional to 79,244.91, 118,839.06 and 37,117.80

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Solution

The fourth proportional to 79,244.91, 118,839.06 and 37,117.80 is: 55,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,244.91 : 118,839.06 = 37,117.80 : x
  2. Step 2: Convert to fraction form
    79,244.91/118,839.06 = 37,117.80/x
  3. Step 3: Cross multiply
    79,244.91x = 118,839.06 × 37,117.80
  4. Step 4: Simplify right side
    79,244.91x = 4,411,044,461.27
  5. Step 5: Solve for x
    x = 4,411,044,461.27/79,244.91
  6. Step 6: Final answer
    x = 55,663.44

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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.