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Finding the Fourth Proportional to 228,597.47, 315,461.18 and 126,622.60

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Solution

The fourth proportional to 228,597.47, 315,461.18 and 126,622.60 is: 174,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,597.47 : 315,461.18 = 126,622.60 : x
  2. Step 2: Convert to fraction form
    228,597.47/315,461.18 = 126,622.60/x
  3. Step 3: Cross multiply
    228,597.47x = 315,461.18 × 126,622.60
  4. Step 4: Simplify right side
    228,597.47x = 39,944,515,225.81
  5. Step 5: Solve for x
    x = 39,944,515,225.81/228,597.47
  6. Step 6: Final answer
    x = 174,737.34

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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.