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Finding the Fourth Proportional to 158,506.80, 237,629.16 and 123,601.20

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Solution

The fourth proportional to 158,506.80, 237,629.16 and 123,601.20 is: 185,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,506.80 : 237,629.16 = 123,601.20 : x
  2. Step 2: Convert to fraction form
    158,506.80/237,629.16 = 123,601.20/x
  3. Step 3: Cross multiply
    158,506.80x = 237,629.16 × 123,601.20
  4. Step 4: Simplify right side
    158,506.80x = 29,371,249,330.99
  5. Step 5: Solve for x
    x = 29,371,249,330.99/158,506.80
  6. Step 6: Final answer
    x = 185,299.62

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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.