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Finding the Fourth Proportional to 277,059.96, 415,654.07 and 87,539.13

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Solution

The fourth proportional to 277,059.96, 415,654.07 and 87,539.13 is: 131,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,059.96 : 415,654.07 = 87,539.13 : x
  2. Step 2: Convert to fraction form
    277,059.96/415,654.07 = 87,539.13/x
  3. Step 3: Cross multiply
    277,059.96x = 415,654.07 × 87,539.13
  4. Step 4: Simplify right side
    277,059.96x = 36,385,995,231.06
  5. Step 5: Solve for x
    x = 36,385,995,231.06/277,059.96
  6. Step 6: Final answer
    x = 131,328.96

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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.