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Finding the Fourth Proportional to 192,005.40, 264,966.90 and 105,963.76

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Solution

The fourth proportional to 192,005.40, 264,966.90 and 105,963.76 is: 146,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,005.40 : 264,966.90 = 105,963.76 : x
  2. Step 2: Convert to fraction form
    192,005.40/264,966.90 = 105,963.76/x
  3. Step 3: Cross multiply
    192,005.40x = 264,966.90 × 105,963.76
  4. Step 4: Simplify right side
    192,005.40x = 28,076,888,999.54
  5. Step 5: Solve for x
    x = 28,076,888,999.54/192,005.40
  6. Step 6: Final answer
    x = 146,229.68

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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.