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Finding the Fourth Proportional to 367,762.66, 551,327.88 and 127,845.12

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Solution

The fourth proportional to 367,762.66, 551,327.88 and 127,845.12 is: 191,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,762.66 : 551,327.88 = 127,845.12 : x
  2. Step 2: Convert to fraction form
    367,762.66/551,327.88 = 127,845.12/x
  3. Step 3: Cross multiply
    367,762.66x = 551,327.88 × 127,845.12
  4. Step 4: Simplify right side
    367,762.66x = 70,484,578,977.95
  5. Step 5: Solve for x
    x = 70,484,578,977.95/367,762.66
  6. Step 6: Final answer
    x = 191,657.79

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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.