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Finding the Fourth Proportional to 245,102.34, 367,968.36 and 188,978.10

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Solution

The fourth proportional to 245,102.34, 367,968.36 and 188,978.10 is: 283,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,102.34 : 367,968.36 = 188,978.10 : x
  2. Step 2: Convert to fraction form
    245,102.34/367,968.36 = 188,978.10/x
  3. Step 3: Cross multiply
    245,102.34x = 367,968.36 × 188,978.10
  4. Step 4: Simplify right side
    245,102.34x = 69,537,961,532.92
  5. Step 5: Solve for x
    x = 69,537,961,532.92/245,102.34
  6. Step 6: Final answer
    x = 283,709.90

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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.