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Finding the Fourth Proportional to 208,375.04, 312,564.12 and 58,630.48

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Solution

The fourth proportional to 208,375.04, 312,564.12 and 58,630.48 is: 87,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,375.04 : 312,564.12 = 58,630.48 : x
  2. Step 2: Convert to fraction form
    208,375.04/312,564.12 = 58,630.48/x
  3. Step 3: Cross multiply
    208,375.04x = 312,564.12 × 58,630.48
  4. Step 4: Simplify right side
    208,375.04x = 18,325,783,385.10
  5. Step 5: Solve for x
    x = 18,325,783,385.10/208,375.04
  6. Step 6: Final answer
    x = 87,946.15

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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.