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Finding the Fourth Proportional to 270,188.58, 372,906.54 and 157,076.94

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Solution

The fourth proportional to 270,188.58, 372,906.54 and 157,076.94 is: 216,793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,188.58 : 372,906.54 = 157,076.94 : x
  2. Step 2: Convert to fraction form
    270,188.58/372,906.54 = 157,076.94/x
  3. Step 3: Cross multiply
    270,188.58x = 372,906.54 × 157,076.94
  4. Step 4: Simplify right side
    270,188.58x = 58,575,018,209.19
  5. Step 5: Solve for x
    x = 58,575,018,209.19/270,188.58
  6. Step 6: Final answer
    x = 216,793.09

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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.