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Finding the Fourth Proportional to 181,235.68, 270,016.28 and 172,313.12

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Solution

The fourth proportional to 181,235.68, 270,016.28 and 172,313.12 is: 256,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,235.68 : 270,016.28 = 172,313.12 : x
  2. Step 2: Convert to fraction form
    181,235.68/270,016.28 = 172,313.12/x
  3. Step 3: Cross multiply
    181,235.68x = 270,016.28 × 172,313.12
  4. Step 4: Simplify right side
    181,235.68x = 46,527,347,657.59
  5. Step 5: Solve for x
    x = 46,527,347,657.59/181,235.68
  6. Step 6: Final answer
    x = 256,722.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.