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Finding the Fourth Proportional to 181,798.52, 250,843.91 and 105,313.05

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Solution

The fourth proportional to 181,798.52, 250,843.91 and 105,313.05 is: 145,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,798.52 : 250,843.91 = 105,313.05 : x
  2. Step 2: Convert to fraction form
    181,798.52/250,843.91 = 105,313.05/x
  3. Step 3: Cross multiply
    181,798.52x = 250,843.91 × 105,313.05
  4. Step 4: Simplify right side
    181,798.52x = 26,417,136,709.46
  5. Step 5: Solve for x
    x = 26,417,136,709.46/181,798.52
  6. Step 6: Final answer
    x = 145,309.97

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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.