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Finding the Fourth Proportional to 195,304.50, 269,520.48 and 105,880.50

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Solution

The fourth proportional to 195,304.50, 269,520.48 and 105,880.50 is: 146,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,304.50 : 269,520.48 = 105,880.50 : x
  2. Step 2: Convert to fraction form
    195,304.50/269,520.48 = 105,880.50/x
  3. Step 3: Cross multiply
    195,304.50x = 269,520.48 × 105,880.50
  4. Step 4: Simplify right side
    195,304.50x = 28,536,963,182.64
  5. Step 5: Solve for x
    x = 28,536,963,182.64/195,304.50
  6. Step 6: Final answer
    x = 146,115.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.