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Finding the Fourth Proportional to 245,165.40, 367,740.78 and 67,683.24

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Solution

The fourth proportional to 245,165.40, 367,740.78 and 67,683.24 is: 101,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,165.40 : 367,740.78 = 67,683.24 : x
  2. Step 2: Convert to fraction form
    245,165.40/367,740.78 = 67,683.24/x
  3. Step 3: Cross multiply
    245,165.40x = 367,740.78 × 67,683.24
  4. Step 4: Simplify right side
    245,165.40x = 24,889,887,470.53
  5. Step 5: Solve for x
    x = 24,889,887,470.53/245,165.40
  6. Step 6: Final answer
    x = 101,522.84

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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.