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Finding the Fourth Proportional to 211,047.39, 316,541.79 and 53,266.41

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Solution

The fourth proportional to 211,047.39, 316,541.79 and 53,266.41 is: 79,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047.39 : 316,541.79 = 53,266.41 : x
  2. Step 2: Convert to fraction form
    211,047.39/316,541.79 = 53,266.41/x
  3. Step 3: Cross multiply
    211,047.39x = 316,541.79 × 53,266.41
  4. Step 4: Simplify right side
    211,047.39x = 16,861,044,768.27
  5. Step 5: Solve for x
    x = 16,861,044,768.27/211,047.39
  6. Step 6: Final answer
    x = 79,892.22

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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.