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Finding the Fourth Proportional to 106,124.76, 146,455.26 and 60,807

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Solution

The fourth proportional to 106,124.76, 146,455.26 and 60,807 is: 83,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,124.76 : 146,455.26 = 60,807 : x
  2. Step 2: Convert to fraction form
    106,124.76/146,455.26 = 60,807/x
  3. Step 3: Cross multiply
    106,124.76x = 146,455.26 × 60,807
  4. Step 4: Simplify right side
    106,124.76x = 8,905,504,994.82
  5. Step 5: Solve for x
    x = 8,905,504,994.82/106,124.76
  6. Step 6: Final answer
    x = 83,915.43

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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.