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Finding the Fourth Proportional to 181,309.59, 250,191.59 and 100,735.65

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Solution

The fourth proportional to 181,309.59, 250,191.59 and 100,735.65 is: 139,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,309.59 : 250,191.59 = 100,735.65 : x
  2. Step 2: Convert to fraction form
    181,309.59/250,191.59 = 100,735.65/x
  3. Step 3: Cross multiply
    181,309.59x = 250,191.59 × 100,735.65
  4. Step 4: Simplify right side
    181,309.59x = 25,203,211,939.51
  5. Step 5: Solve for x
    x = 25,203,211,939.51/181,309.59
  6. Step 6: Final answer
    x = 139,006.50

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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.