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Finding the Fourth Proportional to 270,353.96, 372,938.82 and 157,164.20

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Solution

The fourth proportional to 270,353.96, 372,938.82 and 157,164.20 is: 216,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,353.96 : 372,938.82 = 157,164.20 : x
  2. Step 2: Convert to fraction form
    270,353.96/372,938.82 = 157,164.20/x
  3. Step 3: Cross multiply
    270,353.96x = 372,938.82 × 157,164.20
  4. Step 4: Simplify right side
    270,353.96x = 58,612,631,294.24
  5. Step 5: Solve for x
    x = 58,612,631,294.24/270,353.96
  6. Step 6: Final answer
    x = 216,799.60

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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.