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Finding the Fourth Proportional to 67,225.53, 100,838.30 and 25,108.91

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Solution

The fourth proportional to 67,225.53, 100,838.30 and 25,108.91 is: 37,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,225.53 : 100,838.30 = 25,108.91 : x
  2. Step 2: Convert to fraction form
    67,225.53/100,838.30 = 25,108.91/x
  3. Step 3: Cross multiply
    67,225.53x = 100,838.30 × 25,108.91
  4. Step 4: Simplify right side
    67,225.53x = 2,531,939,169.52
  5. Step 5: Solve for x
    x = 2,531,939,169.52/67,225.53
  6. Step 6: Final answer
    x = 37,663.36

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1.5x scale

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.