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Finding the Fourth Proportional to 185,648.90, 256,404.30 and 125,468.06

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Solution

The fourth proportional to 185,648.90, 256,404.30 and 125,468.06 is: 173,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,648.90 : 256,404.30 = 125,468.06 : x
  2. Step 2: Convert to fraction form
    185,648.90/256,404.30 = 125,468.06/x
  3. Step 3: Cross multiply
    185,648.90x = 256,404.30 × 125,468.06
  4. Step 4: Simplify right side
    185,648.90x = 32,170,550,096.66
  5. Step 5: Solve for x
    x = 32,170,550,096.66/185,648.90
  6. Step 6: Final answer
    x = 173,287.05

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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.