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Finding the Fourth Proportional to 101,957.60, 152,936.40 and 59,857.85

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Solution

The fourth proportional to 101,957.60, 152,936.40 and 59,857.85 is: 89,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,957.60 : 152,936.40 = 59,857.85 : x
  2. Step 2: Convert to fraction form
    101,957.60/152,936.40 = 59,857.85/x
  3. Step 3: Cross multiply
    101,957.60x = 152,936.40 × 59,857.85
  4. Step 4: Simplify right side
    101,957.60x = 9,154,444,090.74
  5. Step 5: Solve for x
    x = 9,154,444,090.74/101,957.60
  6. Step 6: Final answer
    x = 89,786.78

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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.