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Finding the Fourth Proportional to 200,775.60, 301,203.90 and 58,620.60

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Solution

The fourth proportional to 200,775.60, 301,203.90 and 58,620.60 is: 87,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,775.60 : 301,203.90 = 58,620.60 : x
  2. Step 2: Convert to fraction form
    200,775.60/301,203.90 = 58,620.60/x
  3. Step 3: Cross multiply
    200,775.60x = 301,203.90 × 58,620.60
  4. Step 4: Simplify right side
    200,775.60x = 17,656,753,340.34
  5. Step 5: Solve for x
    x = 17,656,753,340.34/200,775.60
  6. Step 6: Final answer
    x = 87,942.72

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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.