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Finding the Fourth Proportional to 570,099.40, 855,198.06 and 149,375.32

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Solution

The fourth proportional to 570,099.40, 855,198.06 and 149,375.32 is: 224,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,099.40 : 855,198.06 = 149,375.32 : x
  2. Step 2: Convert to fraction form
    570,099.40/855,198.06 = 149,375.32/x
  3. Step 3: Cross multiply
    570,099.40x = 855,198.06 × 149,375.32
  4. Step 4: Simplify right side
    570,099.40x = 127,745,483,875.88
  5. Step 5: Solve for x
    x = 127,745,483,875.88/570,099.40
  6. Step 6: Final answer
    x = 224,075.81

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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.