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Finding the Fourth Proportional to 228,100.60, 342,150.90 and 61,888.60

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Solution

The fourth proportional to 228,100.60, 342,150.90 and 61,888.60 is: 92,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,100.60 : 342,150.90 = 61,888.60 : x
  2. Step 2: Convert to fraction form
    228,100.60/342,150.90 = 61,888.60/x
  3. Step 3: Cross multiply
    228,100.60x = 342,150.90 × 61,888.60
  4. Step 4: Simplify right side
    228,100.60x = 21,175,240,189.74
  5. Step 5: Solve for x
    x = 21,175,240,189.74/228,100.60
  6. Step 6: Final answer
    x = 92,832.90

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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.