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Finding the Fourth Proportional to 123,810.93, 185,689.97 and 35,040.60

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Solution

The fourth proportional to 123,810.93, 185,689.97 and 35,040.60 is: 52,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,810.93 : 185,689.97 = 35,040.60 : x
  2. Step 2: Convert to fraction form
    123,810.93/185,689.97 = 35,040.60/x
  3. Step 3: Cross multiply
    123,810.93x = 185,689.97 × 35,040.60
  4. Step 4: Simplify right side
    123,810.93x = 6,506,687,918.98
  5. Step 5: Solve for x
    x = 6,506,687,918.98/123,810.93
  6. Step 6: Final answer
    x = 52,553.42

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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.