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Finding the Fourth Proportional to 68,136.68, 94,031.71 and 37,923.93

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Solution

The fourth proportional to 68,136.68, 94,031.71 and 37,923.93 is: 52,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,136.68 : 94,031.71 = 37,923.93 : x
  2. Step 2: Convert to fraction form
    68,136.68/94,031.71 = 37,923.93/x
  3. Step 3: Cross multiply
    68,136.68x = 94,031.71 × 37,923.93
  4. Step 4: Simplify right side
    68,136.68x = 3,566,051,999.67
  5. Step 5: Solve for x
    x = 3,566,051,999.67/68,136.68
  6. Step 6: Final answer
    x = 52,336.75

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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.