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Finding the Fourth Proportional to 204,700.60, 307,050.90 and 152,212.60

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Solution

The fourth proportional to 204,700.60, 307,050.90 and 152,212.60 is: 228,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,700.60 : 307,050.90 = 152,212.60 : x
  2. Step 2: Convert to fraction form
    204,700.60/307,050.90 = 152,212.60/x
  3. Step 3: Cross multiply
    204,700.60x = 307,050.90 × 152,212.60
  4. Step 4: Simplify right side
    204,700.60x = 46,737,015,821.34
  5. Step 5: Solve for x
    x = 46,737,015,821.34/204,700.60
  6. Step 6: Final answer
    x = 228,318.90

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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.