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Finding the Fourth Proportional to 108,546.79, 162,623.36 and 106,184.83

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Solution

The fourth proportional to 108,546.79, 162,623.36 and 106,184.83 is: 159,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,546.79 : 162,623.36 = 106,184.83 : x
  2. Step 2: Convert to fraction form
    108,546.79/162,623.36 = 106,184.83/x
  3. Step 3: Cross multiply
    108,546.79x = 162,623.36 × 106,184.83
  4. Step 4: Simplify right side
    108,546.79x = 17,268,133,835.63
  5. Step 5: Solve for x
    x = 17,268,133,835.63/108,546.79
  6. Step 6: Final answer
    x = 159,084.70

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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.