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Finding the Fourth Proportional to 195,716.52, 293,718.96 and 89,220.96

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Solution

The fourth proportional to 195,716.52, 293,718.96 and 89,220.96 is: 133,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,716.52 : 293,718.96 = 89,220.96 : x
  2. Step 2: Convert to fraction form
    195,716.52/293,718.96 = 89,220.96/x
  3. Step 3: Cross multiply
    195,716.52x = 293,718.96 × 89,220.96
  4. Step 4: Simplify right side
    195,716.52x = 26,205,887,581.40
  5. Step 5: Solve for x
    x = 26,205,887,581.40/195,716.52
  6. Step 6: Final answer
    x = 133,897.17

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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.