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Finding the Fourth Proportional to 557,599.89, 836,416.23 and 136,875.75

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Solution

The fourth proportional to 557,599.89, 836,416.23 and 136,875.75 is: 205,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,599.89 : 836,416.23 = 136,875.75 : x
  2. Step 2: Convert to fraction form
    557,599.89/836,416.23 = 136,875.75/x
  3. Step 3: Cross multiply
    557,599.89x = 836,416.23 × 136,875.75
  4. Step 4: Simplify right side
    557,599.89x = 114,485,098,793.42
  5. Step 5: Solve for x
    x = 114,485,098,793.42/557,599.89
  6. Step 6: Final answer
    x = 205,317.65

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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.