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Finding the Fourth Proportional to 164,645.17, 246,963.80 and 75,898.63

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Solution

The fourth proportional to 164,645.17, 246,963.80 and 75,898.63 is: 113,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,645.17 : 246,963.80 = 75,898.63 : x
  2. Step 2: Convert to fraction form
    164,645.17/246,963.80 = 75,898.63/x
  3. Step 3: Cross multiply
    164,645.17x = 246,963.80 × 75,898.63
  4. Step 4: Simplify right side
    164,645.17x = 18,744,214,578.05
  5. Step 5: Solve for x
    x = 18,744,214,578.05/164,645.17
  6. Step 6: Final answer
    x = 113,846.13

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1.5x scale

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.