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Finding the Fourth Proportional to 163,604.66, 245,399.85 and 51,282.32

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Solution

The fourth proportional to 163,604.66, 245,399.85 and 51,282.32 is: 76,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,604.66 : 245,399.85 = 51,282.32 : x
  2. Step 2: Convert to fraction form
    163,604.66/245,399.85 = 51,282.32/x
  3. Step 3: Cross multiply
    163,604.66x = 245,399.85 × 51,282.32
  4. Step 4: Simplify right side
    163,604.66x = 12,584,673,635.65
  5. Step 5: Solve for x
    x = 12,584,673,635.65/163,604.66
  6. Step 6: Final answer
    x = 76,921.24

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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.