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Finding the Fourth Proportional to 67,803.55, 101,574.10 and 52,144.63

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Solution

The fourth proportional to 67,803.55, 101,574.10 and 52,144.63 is: 78,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,803.55 : 101,574.10 = 52,144.63 : x
  2. Step 2: Convert to fraction form
    67,803.55/101,574.10 = 52,144.63/x
  3. Step 3: Cross multiply
    67,803.55x = 101,574.10 × 52,144.63
  4. Step 4: Simplify right side
    67,803.55x = 5,296,543,673.33
  5. Step 5: Solve for x
    x = 5,296,543,673.33/67,803.55
  6. Step 6: Final answer
    x = 78,116.03

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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.