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Finding the Fourth Proportional to 570,100.30, 855,177.99 and 149,376.58

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Solution

The fourth proportional to 570,100.30, 855,177.99 and 149,376.58 is: 224,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,100.30 : 855,177.99 = 149,376.58 : x
  2. Step 2: Convert to fraction form
    570,100.30/855,177.99 = 149,376.58/x
  3. Step 3: Cross multiply
    570,100.30x = 855,177.99 × 149,376.58
  4. Step 4: Simplify right side
    570,100.30x = 127,743,563,437.47
  5. Step 5: Solve for x
    x = 127,743,563,437.47/570,100.30
  6. Step 6: Final answer
    x = 224,072.09

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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.