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Finding the Fourth Proportional to 270,259.81, 372,963.08 and 157,082.56

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Solution

The fourth proportional to 270,259.81, 372,963.08 and 157,082.56 is: 216,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,259.81 : 372,963.08 = 157,082.56 : x
  2. Step 2: Convert to fraction form
    270,259.81/372,963.08 = 157,082.56/x
  3. Step 3: Cross multiply
    270,259.81x = 372,963.08 × 157,082.56
  4. Step 4: Simplify right side
    270,259.81x = 58,585,995,391.88
  5. Step 5: Solve for x
    x = 58,585,995,391.88/270,259.81
  6. Step 6: Final answer
    x = 216,776.57

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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.