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Finding the Fourth Proportional to 362,641.93, 543,946.29 and 126,003.13

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Solution

The fourth proportional to 362,641.93, 543,946.29 and 126,003.13 is: 188,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,641.93 : 543,946.29 = 126,003.13 : x
  2. Step 2: Convert to fraction form
    362,641.93/543,946.29 = 126,003.13/x
  3. Step 3: Cross multiply
    362,641.93x = 543,946.29 × 126,003.13
  4. Step 4: Simplify right side
    362,641.93x = 68,538,935,091.89
  5. Step 5: Solve for x
    x = 68,538,935,091.89/362,641.93
  6. Step 6: Final answer
    x = 188,998.93

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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.