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Finding the Fourth Proportional to 194,990.92, 292,486.46 and 70,331.92

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Solution

The fourth proportional to 194,990.92, 292,486.46 and 70,331.92 is: 105,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,990.92 : 292,486.46 = 70,331.92 : x
  2. Step 2: Convert to fraction form
    194,990.92/292,486.46 = 70,331.92/x
  3. Step 3: Cross multiply
    194,990.92x = 292,486.46 × 70,331.92
  4. Step 4: Simplify right side
    194,990.92x = 20,571,134,305.80
  5. Step 5: Solve for x
    x = 20,571,134,305.80/194,990.92
  6. Step 6: Final answer
    x = 105,497.91

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1.5x scale

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.