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Finding the Fourth Proportional to 146,988.63, 220,485.51 and 41,810.40

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Solution

The fourth proportional to 146,988.63, 220,485.51 and 41,810.40 is: 62,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,988.63 : 220,485.51 = 41,810.40 : x
  2. Step 2: Convert to fraction form
    146,988.63/220,485.51 = 41,810.40/x
  3. Step 3: Cross multiply
    146,988.63x = 220,485.51 × 41,810.40
  4. Step 4: Simplify right side
    146,988.63x = 9,218,587,367.30
  5. Step 5: Solve for x
    x = 9,218,587,367.30/146,988.63
  6. Step 6: Final answer
    x = 62,716.33

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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.