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Finding the Fourth Proportional to 362,207, 543,340.48 and 112,889

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Solution

The fourth proportional to 362,207, 543,340.48 and 112,889 is: 169,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,207 : 543,340.48 = 112,889 : x
  2. Step 2: Convert to fraction form
    362,207/543,340.48 = 112,889/x
  3. Step 3: Cross multiply
    362,207x = 543,340.48 × 112,889
  4. Step 4: Simplify right side
    362,207x = 61,337,163,446.72
  5. Step 5: Solve for x
    x = 61,337,163,446.72/362,207
  6. Step 6: Final answer
    x = 169,342.84

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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.