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Finding the Fourth Proportional to 163,313.62, 244,542.74 and 106,976.50

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Solution

The fourth proportional to 163,313.62, 244,542.74 and 106,976.50 is: 160,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,313.62 : 244,542.74 = 106,976.50 : x
  2. Step 2: Convert to fraction form
    163,313.62/244,542.74 = 106,976.50/x
  3. Step 3: Cross multiply
    163,313.62x = 244,542.74 × 106,976.50
  4. Step 4: Simplify right side
    163,313.62x = 26,160,326,425.61
  5. Step 5: Solve for x
    x = 26,160,326,425.61/163,313.62
  6. Step 6: Final answer
    x = 160,184.60

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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.