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Finding the Fourth Proportional to 570,100.80, 855,178.74 and 149,377.08

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Solution

The fourth proportional to 570,100.80, 855,178.74 and 149,377.08 is: 224,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,100.80 : 855,178.74 = 149,377.08 : x
  2. Step 2: Convert to fraction form
    570,100.80/855,178.74 = 149,377.08/x
  3. Step 3: Cross multiply
    570,100.80x = 855,178.74 × 149,377.08
  4. Step 4: Simplify right side
    570,100.80x = 127,744,103,059.28
  5. Step 5: Solve for x
    x = 127,744,103,059.28/570,100.80
  6. Step 6: Final answer
    x = 224,072.84

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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.