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Finding the Fourth Proportional to 106,694.37, 147,239.78 and 58,948.82

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Solution

The fourth proportional to 106,694.37, 147,239.78 and 58,948.82 is: 81,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,694.37 : 147,239.78 = 58,948.82 : x
  2. Step 2: Convert to fraction form
    106,694.37/147,239.78 = 58,948.82/x
  3. Step 3: Cross multiply
    106,694.37x = 147,239.78 × 58,948.82
  4. Step 4: Simplify right side
    106,694.37x = 8,679,611,288.06
  5. Step 5: Solve for x
    x = 8,679,611,288.06/106,694.37
  6. Step 6: Final answer
    x = 81,350.23

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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.