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Finding the Fourth Proportional to 89,859.43, 124,006.43 and 49,573.17

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Solution

The fourth proportional to 89,859.43, 124,006.43 and 49,573.17 is: 68,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,859.43 : 124,006.43 = 49,573.17 : x
  2. Step 2: Convert to fraction form
    89,859.43/124,006.43 = 49,573.17/x
  3. Step 3: Cross multiply
    89,859.43x = 124,006.43 × 49,573.17
  4. Step 4: Simplify right side
    89,859.43x = 6,147,392,029.34
  5. Step 5: Solve for x
    x = 6,147,392,029.34/89,859.43
  6. Step 6: Final answer
    x = 68,411.21

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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.