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Finding the Fourth Proportional to 144,994.96, 200,487.72 and 126,332.56

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Solution

The fourth proportional to 144,994.96, 200,487.72 and 126,332.56 is: 174,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,994.96 : 200,487.72 = 126,332.56 : x
  2. Step 2: Convert to fraction form
    144,994.96/200,487.72 = 126,332.56/x
  3. Step 3: Cross multiply
    144,994.96x = 200,487.72 × 126,332.56
  4. Step 4: Simplify right side
    144,994.96x = 25,328,126,916.16
  5. Step 5: Solve for x
    x = 25,328,126,916.16/144,994.96
  6. Step 6: Final answer
    x = 174,682.81

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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.