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Finding the Fourth Proportional to 106,393.68, 159,119.92 and 94,630

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Solution

The fourth proportional to 106,393.68, 159,119.92 and 94,630 is: 141,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,393.68 : 159,119.92 = 94,630 : x
  2. Step 2: Convert to fraction form
    106,393.68/159,119.92 = 94,630/x
  3. Step 3: Cross multiply
    106,393.68x = 159,119.92 × 94,630
  4. Step 4: Simplify right side
    106,393.68x = 15,057,518,029.60
  5. Step 5: Solve for x
    x = 15,057,518,029.60/106,393.68
  6. Step 6: Final answer
    x = 141,526.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.