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Finding the Fourth Proportional to 185,269.80, 277,904.70 and 172,828.20

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Solution

The fourth proportional to 185,269.80, 277,904.70 and 172,828.20 is: 259,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,269.80 : 277,904.70 = 172,828.20 : x
  2. Step 2: Convert to fraction form
    185,269.80/277,904.70 = 172,828.20/x
  3. Step 3: Cross multiply
    185,269.80x = 277,904.70 × 172,828.20
  4. Step 4: Simplify right side
    185,269.80x = 48,029,769,072.54
  5. Step 5: Solve for x
    x = 48,029,769,072.54/185,269.80
  6. Step 6: Final answer
    x = 259,242.30

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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.