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Finding the Fourth Proportional to 245,093.80, 367,642.14 and 87,328.36

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Solution

The fourth proportional to 245,093.80, 367,642.14 and 87,328.36 is: 130,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,093.80 : 367,642.14 = 87,328.36 : x
  2. Step 2: Convert to fraction form
    245,093.80/367,642.14 = 87,328.36/x
  3. Step 3: Cross multiply
    245,093.80x = 367,642.14 × 87,328.36
  4. Step 4: Simplify right side
    245,093.80x = 32,105,585,153.09
  5. Step 5: Solve for x
    x = 32,105,585,153.09/245,093.80
  6. Step 6: Final answer
    x = 130,993.05

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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.