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Finding the Fourth Proportional to 362,238.72, 543,386.88 and 112,922.88

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Solution

The fourth proportional to 362,238.72, 543,386.88 and 112,922.88 is: 169,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,238.72 : 543,386.88 = 112,922.88 : x
  2. Step 2: Convert to fraction form
    362,238.72/543,386.88 = 112,922.88/x
  3. Step 3: Cross multiply
    362,238.72x = 543,386.88 × 112,922.88
  4. Step 4: Simplify right side
    362,238.72x = 61,360,811,443.81
  5. Step 5: Solve for x
    x = 61,360,811,443.81/362,238.72
  6. Step 6: Final answer
    x = 169,393.30

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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.