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Finding the Fourth Proportional to 69,668.79, 96,143.10 and 37,837.01

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Solution

The fourth proportional to 69,668.79, 96,143.10 and 37,837.01 is: 52,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.79 : 96,143.10 = 37,837.01 : x
  2. Step 2: Convert to fraction form
    69,668.79/96,143.10 = 37,837.01/x
  3. Step 3: Cross multiply
    69,668.79x = 96,143.10 × 37,837.01
  4. Step 4: Simplify right side
    69,668.79x = 3,637,766,955.42
  5. Step 5: Solve for x
    x = 3,637,766,955.42/69,668.79
  6. Step 6: Final answer
    x = 52,215.16

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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.