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Finding the Fourth Proportional to 169,391.86, 233,754.88 and 93,947.38

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Solution

The fourth proportional to 169,391.86, 233,754.88 and 93,947.38 is: 129,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,391.86 : 233,754.88 = 93,947.38 : x
  2. Step 2: Convert to fraction form
    169,391.86/233,754.88 = 93,947.38/x
  3. Step 3: Cross multiply
    169,391.86x = 233,754.88 × 93,947.38
  4. Step 4: Simplify right side
    169,391.86x = 21,960,657,369.44
  5. Step 5: Solve for x
    x = 21,960,657,369.44/169,391.86
  6. Step 6: Final answer
    x = 129,644.12

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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.