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Finding the Fourth Proportional to 144,706.68, 199,764.64 and 101,723.02

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Solution

The fourth proportional to 144,706.68, 199,764.64 and 101,723.02 is: 140,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,706.68 : 199,764.64 = 101,723.02 : x
  2. Step 2: Convert to fraction form
    144,706.68/199,764.64 = 101,723.02/x
  3. Step 3: Cross multiply
    144,706.68x = 199,764.64 × 101,723.02
  4. Step 4: Simplify right side
    144,706.68x = 20,320,662,468.86
  5. Step 5: Solve for x
    x = 20,320,662,468.86/144,706.68
  6. Step 6: Final answer
    x = 140,426.57

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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.