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Finding the Fourth Proportional to 277,187.01, 415,776.87 and 66,823.26

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Solution

The fourth proportional to 277,187.01, 415,776.87 and 66,823.26 is: 100,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,187.01 : 415,776.87 = 66,823.26 : x
  2. Step 2: Convert to fraction form
    277,187.01/415,776.87 = 66,823.26/x
  3. Step 3: Cross multiply
    277,187.01x = 415,776.87 × 66,823.26
  4. Step 4: Simplify right side
    277,187.01x = 27,783,565,886.00
  5. Step 5: Solve for x
    x = 27,783,565,886.00/277,187.01
  6. Step 6: Final answer
    x = 100,234.01

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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.