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Finding the Fourth Proportional to 201,892.90, 302,499.15 and 159,610.90

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Solution

The fourth proportional to 201,892.90, 302,499.15 and 159,610.90 is: 239,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,892.90 : 302,499.15 = 159,610.90 : x
  2. Step 2: Convert to fraction form
    201,892.90/302,499.15 = 159,610.90/x
  3. Step 3: Cross multiply
    201,892.90x = 302,499.15 × 159,610.90
  4. Step 4: Simplify right side
    201,892.90x = 48,282,161,580.74
  5. Step 5: Solve for x
    x = 48,282,161,580.74/201,892.90
  6. Step 6: Final answer
    x = 239,147.40

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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.