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Finding the Fourth Proportional to 188,270.05, 282,405.08 and 88,499.11

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Solution

The fourth proportional to 188,270.05, 282,405.08 and 88,499.11 is: 132,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,270.05 : 282,405.08 = 88,499.11 : x
  2. Step 2: Convert to fraction form
    188,270.05/282,405.08 = 88,499.11/x
  3. Step 3: Cross multiply
    188,270.05x = 282,405.08 × 88,499.11
  4. Step 4: Simplify right side
    188,270.05x = 24,992,598,239.48
  5. Step 5: Solve for x
    x = 24,992,598,239.48/188,270.05
  6. Step 6: Final answer
    x = 132,748.67

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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.