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Finding the Fourth Proportional to 106,391.95, 146,810.07 and 61,059.08

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Solution

The fourth proportional to 106,391.95, 146,810.07 and 61,059.08 is: 84,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,391.95 : 146,810.07 = 61,059.08 : x
  2. Step 2: Convert to fraction form
    106,391.95/146,810.07 = 61,059.08/x
  3. Step 3: Cross multiply
    106,391.95x = 146,810.07 × 61,059.08
  4. Step 4: Simplify right side
    106,391.95x = 8,964,088,175.96
  5. Step 5: Solve for x
    x = 8,964,088,175.96/106,391.95
  6. Step 6: Final answer
    x = 84,255.33

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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.