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Finding the Fourth Proportional to 168,794.65, 233,037.66 and 105,218.56

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Solution

The fourth proportional to 168,794.65, 233,037.66 and 105,218.56 is: 145,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,794.65 : 233,037.66 = 105,218.56 : x
  2. Step 2: Convert to fraction form
    168,794.65/233,037.66 = 105,218.56/x
  3. Step 3: Cross multiply
    168,794.65x = 233,037.66 × 105,218.56
  4. Step 4: Simplify right side
    168,794.65x = 24,519,887,010.97
  5. Step 5: Solve for x
    x = 24,519,887,010.97/168,794.65
  6. Step 6: Final answer
    x = 145,264.60

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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.