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Finding the Fourth Proportional to 228,086.49, 341,866.89 and 122,683.89

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Solution

The fourth proportional to 228,086.49, 341,866.89 and 122,683.89 is: 183,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,086.49 : 341,866.89 = 122,683.89 : x
  2. Step 2: Convert to fraction form
    228,086.49/341,866.89 = 122,683.89/x
  3. Step 3: Cross multiply
    228,086.49x = 341,866.89 × 122,683.89
  4. Step 4: Simplify right side
    228,086.49x = 41,941,559,927.40
  5. Step 5: Solve for x
    x = 41,941,559,927.40/228,086.49
  6. Step 6: Final answer
    x = 183,884.46

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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.