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Finding the Fourth Proportional to 194,979.60, 292,469.40 and 177,776.40

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Solution

The fourth proportional to 194,979.60, 292,469.40 and 177,776.40 is: 266,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,979.60 : 292,469.40 = 177,776.40 : x
  2. Step 2: Convert to fraction form
    194,979.60/292,469.40 = 177,776.40/x
  3. Step 3: Cross multiply
    194,979.60x = 292,469.40 × 177,776.40
  4. Step 4: Simplify right side
    194,979.60x = 51,994,157,042.16
  5. Step 5: Solve for x
    x = 51,994,157,042.16/194,979.60
  6. Step 6: Final answer
    x = 266,664.60

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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.