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Finding the Fourth Proportional to 188,618.42, 282,923.53 and 88,723.25

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Solution

The fourth proportional to 188,618.42, 282,923.53 and 88,723.25 is: 133,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,618.42 : 282,923.53 = 88,723.25 : x
  2. Step 2: Convert to fraction form
    188,618.42/282,923.53 = 88,723.25/x
  3. Step 3: Cross multiply
    188,618.42x = 282,923.53 × 88,723.25
  4. Step 4: Simplify right side
    188,618.42x = 25,101,893,224.84
  5. Step 5: Solve for x
    x = 25,101,893,224.84/188,618.42
  6. Step 6: Final answer
    x = 133,082.94

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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.