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Finding the Fourth Proportional to 362,162.58, 543,340.45 and 125,505.03

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Solution

The fourth proportional to 362,162.58, 543,340.45 and 125,505.03 is: 188,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,162.58 : 543,340.45 = 125,505.03 : x
  2. Step 2: Convert to fraction form
    362,162.58/543,340.45 = 125,505.03/x
  3. Step 3: Cross multiply
    362,162.58x = 543,340.45 × 125,505.03
  4. Step 4: Simplify right side
    362,162.58x = 68,191,959,477.46
  5. Step 5: Solve for x
    x = 68,191,959,477.46/362,162.58
  6. Step 6: Final answer
    x = 188,291.01

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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.