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Finding the Fourth Proportional to 103,246.24, 154,964.40 and 63,880.24

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Solution

The fourth proportional to 103,246.24, 154,964.40 and 63,880.24 is: 95,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,246.24 : 154,964.40 = 63,880.24 : x
  2. Step 2: Convert to fraction form
    103,246.24/154,964.40 = 63,880.24/x
  3. Step 3: Cross multiply
    103,246.24x = 154,964.40 × 63,880.24
  4. Step 4: Simplify right side
    103,246.24x = 9,899,163,063.46
  5. Step 5: Solve for x
    x = 9,899,163,063.46/103,246.24
  6. Step 6: Final answer
    x = 95,879.16

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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.