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Finding the Fourth Proportional to 270,290.82, 373,023.81 and 157,135.62

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Solution

The fourth proportional to 270,290.82, 373,023.81 and 157,135.62 is: 216,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,290.82 : 373,023.81 = 157,135.62 : x
  2. Step 2: Convert to fraction form
    270,290.82/373,023.81 = 157,135.62/x
  3. Step 3: Cross multiply
    270,290.82x = 373,023.81 × 157,135.62
  4. Step 4: Simplify right side
    270,290.82x = 58,615,327,659.11
  5. Step 5: Solve for x
    x = 58,615,327,659.11/270,290.82
  6. Step 6: Final answer
    x = 216,860.22

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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.