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Finding the Fourth Proportional to 228,602.32, 315,467.86 and 126,627.45

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Solution

The fourth proportional to 228,602.32, 315,467.86 and 126,627.45 is: 174,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,602.32 : 315,467.86 = 126,627.45 : x
  2. Step 2: Convert to fraction form
    228,602.32/315,467.86 = 126,627.45/x
  3. Step 3: Cross multiply
    228,602.32x = 315,467.86 × 126,627.45
  4. Step 4: Simplify right side
    228,602.32x = 39,946,890,668.76
  5. Step 5: Solve for x
    x = 39,946,890,668.76/228,602.32
  6. Step 6: Final answer
    x = 174,744.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.