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Finding the Fourth Proportional to 206,036.59, 309,063.12 and 63,896.63

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Solution

The fourth proportional to 206,036.59, 309,063.12 and 63,896.63 is: 95,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,036.59 : 309,063.12 = 63,896.63 : x
  2. Step 2: Convert to fraction form
    206,036.59/309,063.12 = 63,896.63/x
  3. Step 3: Cross multiply
    206,036.59x = 309,063.12 × 63,896.63
  4. Step 4: Simplify right side
    206,036.59x = 19,748,091,825.29
  5. Step 5: Solve for x
    x = 19,748,091,825.29/206,036.59
  6. Step 6: Final answer
    x = 95,847.50

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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.