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Finding the Fourth Proportional to 362,137.51, 543,303.15 and 125,480.19

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Solution

The fourth proportional to 362,137.51, 543,303.15 and 125,480.19 is: 188,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,137.51 : 543,303.15 = 125,480.19 : x
  2. Step 2: Convert to fraction form
    362,137.51/543,303.15 = 125,480.19/x
  3. Step 3: Cross multiply
    362,137.51x = 543,303.15 × 125,480.19
  4. Step 4: Simplify right side
    362,137.51x = 68,173,783,220.46
  5. Step 5: Solve for x
    x = 68,173,783,220.46/362,137.51
  6. Step 6: Final answer
    x = 188,253.86

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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.