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Finding the Fourth Proportional to 367,642.80, 551,464.20 and 101,444.40

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Solution

The fourth proportional to 367,642.80, 551,464.20 and 101,444.40 is: 152,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,642.80 : 551,464.20 = 101,444.40 : x
  2. Step 2: Convert to fraction form
    367,642.80/551,464.20 = 101,444.40/x
  3. Step 3: Cross multiply
    367,642.80x = 551,464.20 × 101,444.40
  4. Step 4: Simplify right side
    367,642.80x = 55,942,954,890.48
  5. Step 5: Solve for x
    x = 55,942,954,890.48/367,642.80
  6. Step 6: Final answer
    x = 152,166.60

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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.