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Finding the Fourth Proportional to 169,391.98, 233,755.06 and 93,947.50

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Solution

The fourth proportional to 169,391.98, 233,755.06 and 93,947.50 is: 129,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,391.98 : 233,755.06 = 93,947.50 : x
  2. Step 2: Convert to fraction form
    169,391.98/233,755.06 = 93,947.50/x
  3. Step 3: Cross multiply
    169,391.98x = 233,755.06 × 93,947.50
  4. Step 4: Simplify right side
    169,391.98x = 21,960,703,029.61
  5. Step 5: Solve for x
    x = 21,960,703,029.61/169,391.98
  6. Step 6: Final answer
    x = 129,644.29

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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.