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Finding the Fourth Proportional to 104,084.01, 143,636.99 and 56,338.38

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Solution

The fourth proportional to 104,084.01, 143,636.99 and 56,338.38 is: 77,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.01 : 143,636.99 = 56,338.38 : x
  2. Step 2: Convert to fraction form
    104,084.01/143,636.99 = 56,338.38/x
  3. Step 3: Cross multiply
    104,084.01x = 143,636.99 × 56,338.38
  4. Step 4: Simplify right side
    104,084.01x = 8,092,275,042.98
  5. Step 5: Solve for x
    x = 8,092,275,042.98/104,084.01
  6. Step 6: Final answer
    x = 77,747.53

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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.