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Finding the Fourth Proportional to 240,471.99, 331,853.76 and 131,574.24

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Solution

The fourth proportional to 240,471.99, 331,853.76 and 131,574.24 is: 181,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,471.99 : 331,853.76 = 131,574.24 : x
  2. Step 2: Convert to fraction form
    240,471.99/331,853.76 = 131,574.24/x
  3. Step 3: Cross multiply
    240,471.99x = 331,853.76 × 131,574.24
  4. Step 4: Simplify right side
    240,471.99x = 43,663,406,263.14
  5. Step 5: Solve for x
    x = 43,663,406,263.14/240,471.99
  6. Step 6: Final answer
    x = 181,573.77

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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.