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Finding the Fourth Proportional to 227,066.90, 340,600.35 and 157,082.90

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Solution

The fourth proportional to 227,066.90, 340,600.35 and 157,082.90 is: 235,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,066.90 : 340,600.35 = 157,082.90 : x
  2. Step 2: Convert to fraction form
    227,066.90/340,600.35 = 157,082.90/x
  3. Step 3: Cross multiply
    227,066.90x = 340,600.35 × 157,082.90
  4. Step 4: Simplify right side
    227,066.90x = 53,502,490,719.02
  5. Step 5: Solve for x
    x = 53,502,490,719.02/227,066.90
  6. Step 6: Final answer
    x = 235,624.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.