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Finding the Fourth Proportional to 516,124.93, 774,187.40 and 161,169.37

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Solution

The fourth proportional to 516,124.93, 774,187.40 and 161,169.37 is: 241,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,124.93 : 774,187.40 = 161,169.37 : x
  2. Step 2: Convert to fraction form
    516,124.93/774,187.40 = 161,169.37/x
  3. Step 3: Cross multiply
    516,124.93x = 774,187.40 × 161,169.37
  4. Step 4: Simplify right side
    516,124.93x = 124,775,295,519.94
  5. Step 5: Solve for x
    x = 124,775,295,519.94/516,124.93
  6. Step 6: Final answer
    x = 241,754.06

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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.