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Finding the Fourth Proportional to 100,954.30, 151,103.40 and 100,954.30

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Solution

The fourth proportional to 100,954.30, 151,103.40 and 100,954.30 is: 151,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,954.30 : 151,103.40 = 100,954.30 : x
  2. Step 2: Convert to fraction form
    100,954.30/151,103.40 = 100,954.30/x
  3. Step 3: Cross multiply
    100,954.30x = 151,103.40 × 100,954.30
  4. Step 4: Simplify right side
    100,954.30x = 15,254,537,974.62
  5. Step 5: Solve for x
    x = 15,254,537,974.62/100,954.30
  6. Step 6: Final answer
    x = 151,103.40

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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.