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Finding the Fourth Proportional to 185,076.52, 255,405.58 and 103,404.79

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Solution

The fourth proportional to 185,076.52, 255,405.58 and 103,404.79 is: 142,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,076.52 : 255,405.58 = 103,404.79 : x
  2. Step 2: Convert to fraction form
    185,076.52/255,405.58 = 103,404.79/x
  3. Step 3: Cross multiply
    185,076.52x = 255,405.58 × 103,404.79
  4. Step 4: Simplify right side
    185,076.52x = 26,410,160,364.73
  5. Step 5: Solve for x
    x = 26,410,160,364.73/185,076.52
  6. Step 6: Final answer
    x = 142,698.60

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1.5x scale

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.