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Finding the Fourth Proportional to 68,293.40, 94,282.02 and 47,186.12

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Solution

The fourth proportional to 68,293.40, 94,282.02 and 47,186.12 is: 65,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,293.40 : 94,282.02 = 47,186.12 : x
  2. Step 2: Convert to fraction form
    68,293.40/94,282.02 = 47,186.12/x
  3. Step 3: Cross multiply
    68,293.40x = 94,282.02 × 47,186.12
  4. Step 4: Simplify right side
    68,293.40x = 4,448,802,709.56
  5. Step 5: Solve for x
    x = 4,448,802,709.56/68,293.40
  6. Step 6: Final answer
    x = 65,142.50

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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.