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Finding the Fourth Proportional to 101,205.80, 151,808.70 and 35,541.80

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Solution

The fourth proportional to 101,205.80, 151,808.70 and 35,541.80 is: 53,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,205.80 : 151,808.70 = 35,541.80 : x
  2. Step 2: Convert to fraction form
    101,205.80/151,808.70 = 35,541.80/x
  3. Step 3: Cross multiply
    101,205.80x = 151,808.70 × 35,541.80
  4. Step 4: Simplify right side
    101,205.80x = 5,395,554,453.66
  5. Step 5: Solve for x
    x = 5,395,554,453.66/101,205.80
  6. Step 6: Final answer
    x = 53,312.70

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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.