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Finding the Fourth Proportional to 134,401.20, 201,310.20 and 111,073.20

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Solution

The fourth proportional to 134,401.20, 201,310.20 and 111,073.20 is: 166,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,401.20 : 201,310.20 = 111,073.20 : x
  2. Step 2: Convert to fraction form
    134,401.20/201,310.20 = 111,073.20/x
  3. Step 3: Cross multiply
    134,401.20x = 201,310.20 × 111,073.20
  4. Step 4: Simplify right side
    134,401.20x = 22,360,168,106.64
  5. Step 5: Solve for x
    x = 22,360,168,106.64/134,401.20
  6. Step 6: Final answer
    x = 166,368.81

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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.