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Finding the Fourth Proportional to 255,960.60, 353,206.17 and 141,243.81

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Solution

The fourth proportional to 255,960.60, 353,206.17 and 141,243.81 is: 194,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,960.60 : 353,206.17 = 141,243.81 : x
  2. Step 2: Convert to fraction form
    255,960.60/353,206.17 = 141,243.81/x
  3. Step 3: Cross multiply
    255,960.60x = 353,206.17 × 141,243.81
  4. Step 4: Simplify right side
    255,960.60x = 49,888,185,166.31
  5. Step 5: Solve for x
    x = 49,888,185,166.31/255,960.60
  6. Step 6: Final answer
    x = 194,905.72

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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.