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Finding the Fourth Proportional to 367,873.53, 551,804.82 and 101,628.15

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Solution

The fourth proportional to 367,873.53, 551,804.82 and 101,628.15 is: 152,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,873.53 : 551,804.82 = 101,628.15 : x
  2. Step 2: Convert to fraction form
    367,873.53/551,804.82 = 101,628.15/x
  3. Step 3: Cross multiply
    367,873.53x = 551,804.82 × 101,628.15
  4. Step 4: Simplify right side
    367,873.53x = 56,078,903,017.68
  5. Step 5: Solve for x
    x = 56,078,903,017.68/367,873.53
  6. Step 6: Final answer
    x = 152,440.71

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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.