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Finding the Fourth Proportional to 273,036.30, 409,282.29 and 130,618.86

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Solution

The fourth proportional to 273,036.30, 409,282.29 and 130,618.86 is: 195,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,036.30 : 409,282.29 = 130,618.86 : x
  2. Step 2: Convert to fraction form
    273,036.30/409,282.29 = 130,618.86/x
  3. Step 3: Cross multiply
    273,036.30x = 409,282.29 × 130,618.86
  4. Step 4: Simplify right side
    273,036.30x = 53,459,986,137.99
  5. Step 5: Solve for x
    x = 53,459,986,137.99/273,036.30
  6. Step 6: Final answer
    x = 195,798.09

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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.