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Finding the Fourth Proportional to 106,353.55, 146,766.02 and 57,955.91

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Solution

The fourth proportional to 106,353.55, 146,766.02 and 57,955.91 is: 79,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,353.55 : 146,766.02 = 57,955.91 : x
  2. Step 2: Convert to fraction form
    106,353.55/146,766.02 = 57,955.91/x
  3. Step 3: Cross multiply
    106,353.55x = 146,766.02 × 57,955.91
  4. Step 4: Simplify right side
    106,353.55x = 8,505,958,246.18
  5. Step 5: Solve for x
    x = 8,505,958,246.18/106,353.55
  6. Step 6: Final answer
    x = 79,978.13

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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.