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Finding the Fourth Proportional to 161,957.94, 242,708.52 and 76,477.58

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Solution

The fourth proportional to 161,957.94, 242,708.52 and 76,477.58 is: 114,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,957.94 : 242,708.52 = 76,477.58 : x
  2. Step 2: Convert to fraction form
    161,957.94/242,708.52 = 76,477.58/x
  3. Step 3: Cross multiply
    161,957.94x = 242,708.52 × 76,477.58
  4. Step 4: Simplify right side
    161,957.94x = 18,561,760,254.98
  5. Step 5: Solve for x
    x = 18,561,760,254.98/161,957.94
  6. Step 6: Final answer
    x = 114,608.52

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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.