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Finding the Fourth Proportional to 255,650.73, 353,435.73 and 191,877.81

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Solution

The fourth proportional to 255,650.73, 353,435.73 and 191,877.81 is: 265,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,650.73 : 353,435.73 = 191,877.81 : x
  2. Step 2: Convert to fraction form
    255,650.73/353,435.73 = 191,877.81/x
  3. Step 3: Cross multiply
    255,650.73x = 353,435.73 × 191,877.81
  4. Step 4: Simplify right side
    255,650.73x = 67,816,472,080.97
  5. Step 5: Solve for x
    x = 67,816,472,080.97/255,650.73
  6. Step 6: Final answer
    x = 265,270.02

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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.