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Finding the Fourth Proportional to 255,756.63, 352,936.06 and 141,040.11

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Solution

The fourth proportional to 255,756.63, 352,936.06 and 141,040.11 is: 194,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,756.63 : 352,936.06 = 141,040.11 : x
  2. Step 2: Convert to fraction form
    255,756.63/352,936.06 = 141,040.11/x
  3. Step 3: Cross multiply
    255,756.63x = 352,936.06 × 141,040.11
  4. Step 4: Simplify right side
    255,756.63x = 49,778,140,725.37
  5. Step 5: Solve for x
    x = 49,778,140,725.37/255,756.63
  6. Step 6: Final answer
    x = 194,630.89

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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.