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Finding the Fourth Proportional to 169,180.32, 233,467.76 and 93,728.64

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Solution

The fourth proportional to 169,180.32, 233,467.76 and 93,728.64 is: 129,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,180.32 : 233,467.76 = 93,728.64 : x
  2. Step 2: Convert to fraction form
    169,180.32/233,467.76 = 93,728.64/x
  3. Step 3: Cross multiply
    169,180.32x = 233,467.76 × 93,728.64
  4. Step 4: Simplify right side
    169,180.32x = 21,882,615,628.65
  5. Step 5: Solve for x
    x = 21,882,615,628.65/169,180.32
  6. Step 6: Final answer
    x = 129,344.92

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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.