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Finding the Fourth Proportional to 111,810.09, 167,720.40 and 36,936.93

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Solution

The fourth proportional to 111,810.09, 167,720.40 and 36,936.93 is: 55,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,810.09 : 167,720.40 = 36,936.93 : x
  2. Step 2: Convert to fraction form
    111,810.09/167,720.40 = 36,936.93/x
  3. Step 3: Cross multiply
    111,810.09x = 167,720.40 × 36,936.93
  4. Step 4: Simplify right side
    111,810.09x = 6,195,076,674.37
  5. Step 5: Solve for x
    x = 6,195,076,674.37/111,810.09
  6. Step 6: Final answer
    x = 55,407.13

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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.