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Finding the Fourth Proportional to 104,064.49, 143,613.11 and 58,744.09

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Solution

The fourth proportional to 104,064.49, 143,613.11 and 58,744.09 is: 81,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.49 : 143,613.11 = 58,744.09 : x
  2. Step 2: Convert to fraction form
    104,064.49/143,613.11 = 58,744.09/x
  3. Step 3: Cross multiply
    104,064.49x = 143,613.11 × 58,744.09
  4. Step 4: Simplify right side
    104,064.49x = 8,436,421,459.02
  5. Step 5: Solve for x
    x = 8,436,421,459.02/104,064.49
  6. Step 6: Final answer
    x = 81,069.17

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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.