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Finding the Fourth Proportional to 367,871.64, 551,817.84 and 101,632.20

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Solution

The fourth proportional to 367,871.64, 551,817.84 and 101,632.20 is: 152,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,871.64 : 551,817.84 = 101,632.20 : x
  2. Step 2: Convert to fraction form
    367,871.64/551,817.84 = 101,632.20/x
  3. Step 3: Cross multiply
    367,871.64x = 551,817.84 × 101,632.20
  4. Step 4: Simplify right side
    367,871.64x = 56,082,461,078.45
  5. Step 5: Solve for x
    x = 56,082,461,078.45/367,871.64
  6. Step 6: Final answer
    x = 152,451.17

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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.