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Finding the Fourth Proportional to 245,065.53, 367,742.17 and 102,899.87

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Solution

The fourth proportional to 245,065.53, 367,742.17 and 102,899.87 is: 154,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,065.53 : 367,742.17 = 102,899.87 : x
  2. Step 2: Convert to fraction form
    245,065.53/367,742.17 = 102,899.87/x
  3. Step 3: Cross multiply
    245,065.53x = 367,742.17 × 102,899.87
  4. Step 4: Simplify right side
    245,065.53x = 37,840,622,189.74
  5. Step 5: Solve for x
    x = 37,840,622,189.74/245,065.53
  6. Step 6: Final answer
    x = 154,410.22

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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.