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Finding the Fourth Proportional to 270,812.42, 373,695.12 and 161,895.23

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Solution

The fourth proportional to 270,812.42, 373,695.12 and 161,895.23 is: 223,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,812.42 : 373,695.12 = 161,895.23 : x
  2. Step 2: Convert to fraction form
    270,812.42/373,695.12 = 161,895.23/x
  3. Step 3: Cross multiply
    270,812.42x = 373,695.12 × 161,895.23
  4. Step 4: Simplify right side
    270,812.42x = 60,499,457,402.28
  5. Step 5: Solve for x
    x = 60,499,457,402.28/270,812.42
  6. Step 6: Final answer
    x = 223,399.86

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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.