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Finding the Fourth Proportional to 103,257.38, 154,942.52 and 40,080.01

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Solution

The fourth proportional to 103,257.38, 154,942.52 and 40,080.01 is: 60,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,257.38 : 154,942.52 = 40,080.01 : x
  2. Step 2: Convert to fraction form
    103,257.38/154,942.52 = 40,080.01/x
  3. Step 3: Cross multiply
    103,257.38x = 154,942.52 × 40,080.01
  4. Step 4: Simplify right side
    103,257.38x = 6,210,097,751.03
  5. Step 5: Solve for x
    x = 6,210,097,751.03/103,257.38
  6. Step 6: Final answer
    x = 60,141.93

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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.