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Finding the Fourth Proportional to 67,733.80, 101,715.90 and 50,223.40

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Solution

The fourth proportional to 67,733.80, 101,715.90 and 50,223.40 is: 75,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,733.80 : 101,715.90 = 50,223.40 : x
  2. Step 2: Convert to fraction form
    67,733.80/101,715.90 = 50,223.40/x
  3. Step 3: Cross multiply
    67,733.80x = 101,715.90 × 50,223.40
  4. Step 4: Simplify right side
    67,733.80x = 5,108,518,332.06
  5. Step 5: Solve for x
    x = 5,108,518,332.06/67,733.80
  6. Step 6: Final answer
    x = 75,420.52

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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.