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Finding the Fourth Proportional to 292,203.99, 437,974.09 and 123,619.10

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Solution

The fourth proportional to 292,203.99, 437,974.09 and 123,619.10 is: 185,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,203.99 : 437,974.09 = 123,619.10 : x
  2. Step 2: Convert to fraction form
    292,203.99/437,974.09 = 123,619.10/x
  3. Step 3: Cross multiply
    292,203.99x = 437,974.09 × 123,619.10
  4. Step 4: Simplify right side
    292,203.99x = 54,141,960,330.20
  5. Step 5: Solve for x
    x = 54,141,960,330.20/292,203.99
  6. Step 6: Final answer
    x = 185,288.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.