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Finding the Fourth Proportional to 362,159.82, 543,242.81 and 137,459.93

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Solution

The fourth proportional to 362,159.82, 543,242.81 and 137,459.93 is: 206,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,159.82 : 543,242.81 = 137,459.93 : x
  2. Step 2: Convert to fraction form
    362,159.82/543,242.81 = 137,459.93/x
  3. Step 3: Cross multiply
    362,159.82x = 543,242.81 × 137,459.93
  4. Step 4: Simplify right side
    362,159.82x = 74,674,115,232.09
  5. Step 5: Solve for x
    x = 74,674,115,232.09/362,159.82
  6. Step 6: Final answer
    x = 206,191.05

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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.