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Finding the Fourth Proportional to 178,212.96, 266,580.72 and 135,771.96

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Solution

The fourth proportional to 178,212.96, 266,580.72 and 135,771.96 is: 203,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,212.96 : 266,580.72 = 135,771.96 : x
  2. Step 2: Convert to fraction form
    178,212.96/266,580.72 = 135,771.96/x
  3. Step 3: Cross multiply
    178,212.96x = 266,580.72 × 135,771.96
  4. Step 4: Simplify right side
    178,212.96x = 36,194,186,852.61
  5. Step 5: Solve for x
    x = 36,194,186,852.61/178,212.96
  6. Step 6: Final answer
    x = 203,095.14

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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.