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Finding the Fourth Proportional to 161,137.63, 241,706.54 and 61,274.76

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Solution

The fourth proportional to 161,137.63, 241,706.54 and 61,274.76 is: 91,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,137.63 : 241,706.54 = 61,274.76 : x
  2. Step 2: Convert to fraction form
    161,137.63/241,706.54 = 61,274.76/x
  3. Step 3: Cross multiply
    161,137.63x = 241,706.54 × 61,274.76
  4. Step 4: Simplify right side
    161,137.63x = 14,810,510,228.93
  5. Step 5: Solve for x
    x = 14,810,510,228.93/161,137.63
  6. Step 6: Final answer
    x = 91,912.18

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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.