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Finding the Fourth Proportional to 185,012.84, 255,322.37 and 104,447.81

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Solution

The fourth proportional to 185,012.84, 255,322.37 and 104,447.81 is: 144,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,012.84 : 255,322.37 = 104,447.81 : x
  2. Step 2: Convert to fraction form
    185,012.84/255,322.37 = 104,447.81/x
  3. Step 3: Cross multiply
    185,012.84x = 255,322.37 × 104,447.81
  4. Step 4: Simplify right side
    185,012.84x = 26,667,861,868.27
  5. Step 5: Solve for x
    x = 26,667,861,868.27/185,012.84
  6. Step 6: Final answer
    x = 144,140.60

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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.