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Finding the Fourth Proportional to 266,374.44, 367,594.47 and 145,515.78

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Solution

The fourth proportional to 266,374.44, 367,594.47 and 145,515.78 is: 200,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,374.44 : 367,594.47 = 145,515.78 : x
  2. Step 2: Convert to fraction form
    266,374.44/367,594.47 = 145,515.78/x
  3. Step 3: Cross multiply
    266,374.44x = 367,594.47 × 145,515.78
  4. Step 4: Simplify right side
    266,374.44x = 53,490,796,025.74
  5. Step 5: Solve for x
    x = 53,490,796,025.74/266,374.44
  6. Step 6: Final answer
    x = 200,810.54

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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.