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Finding the Fourth Proportional to 172,662.84, 237,798.18 and 148,780.80

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Solution

The fourth proportional to 172,662.84, 237,798.18 and 148,780.80 is: 204,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,662.84 : 237,798.18 = 148,780.80 : x
  2. Step 2: Convert to fraction form
    172,662.84/237,798.18 = 148,780.80/x
  3. Step 3: Cross multiply
    172,662.84x = 237,798.18 × 148,780.80
  4. Step 4: Simplify right side
    172,662.84x = 35,379,803,458.94
  5. Step 5: Solve for x
    x = 35,379,803,458.94/172,662.84
  6. Step 6: Final answer
    x = 204,906.88

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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.