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Finding the Fourth Proportional to 169,391.19, 233,770.32 and 93,939.69

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Solution

The fourth proportional to 169,391.19, 233,770.32 and 93,939.69 is: 129,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,391.19 : 233,770.32 = 93,939.69 : x
  2. Step 2: Convert to fraction form
    169,391.19/233,770.32 = 93,939.69/x
  3. Step 3: Cross multiply
    169,391.19x = 233,770.32 × 93,939.69
  4. Step 4: Simplify right side
    169,391.19x = 21,960,311,392.00
  5. Step 5: Solve for x
    x = 21,960,311,392.00/169,391.19
  6. Step 6: Final answer
    x = 129,642.58

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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.