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Finding the Fourth Proportional to 71,850.84, 99,154.08 and 41,653.65

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Solution

The fourth proportional to 71,850.84, 99,154.08 and 41,653.65 is: 57,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,850.84 : 99,154.08 = 41,653.65 : x
  2. Step 2: Convert to fraction form
    71,850.84/99,154.08 = 41,653.65/x
  3. Step 3: Cross multiply
    71,850.84x = 99,154.08 × 41,653.65
  4. Step 4: Simplify right side
    71,850.84x = 4,130,129,344.39
  5. Step 5: Solve for x
    x = 4,130,129,344.39/71,850.84
  6. Step 6: Final answer
    x = 57,481.99

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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.