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Finding the Fourth Proportional to 230,958.86, 346,656.27 and 118,717.90

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Solution

The fourth proportional to 230,958.86, 346,656.27 and 118,717.90 is: 178,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,958.86 : 346,656.27 = 118,717.90 : x
  2. Step 2: Convert to fraction form
    230,958.86/346,656.27 = 118,717.90/x
  3. Step 3: Cross multiply
    230,958.86x = 346,656.27 × 118,717.90
  4. Step 4: Simplify right side
    230,958.86x = 41,154,303,583.29
  5. Step 5: Solve for x
    x = 41,154,303,583.29/230,958.86
  6. Step 6: Final answer
    x = 178,188.89

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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.