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Finding the Fourth Proportional to 158,650.80, 237,914.46 and 79,710

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Solution

The fourth proportional to 158,650.80, 237,914.46 and 79,710 is: 119,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,650.80 : 237,914.46 = 79,710 : x
  2. Step 2: Convert to fraction form
    158,650.80/237,914.46 = 79,710/x
  3. Step 3: Cross multiply
    158,650.80x = 237,914.46 × 79,710
  4. Step 4: Simplify right side
    158,650.80x = 18,964,161,606.60
  5. Step 5: Solve for x
    x = 18,964,161,606.60/158,650.80
  6. Step 6: Final answer
    x = 119,533.98

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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.