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Finding the Fourth Proportional to 188,097.27, 282,144.93 and 66,607.93

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Solution

The fourth proportional to 188,097.27, 282,144.93 and 66,607.93 is: 99,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,097.27 : 282,144.93 = 66,607.93 : x
  2. Step 2: Convert to fraction form
    188,097.27/282,144.93 = 66,607.93/x
  3. Step 3: Cross multiply
    188,097.27x = 282,144.93 × 66,607.93
  4. Step 4: Simplify right side
    188,097.27x = 18,793,089,747.29
  5. Step 5: Solve for x
    x = 18,793,089,747.29/188,097.27
  6. Step 6: Final answer
    x = 99,911.55

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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.