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Finding the Fourth Proportional to 201,037.80, 301,556.70 and 197,927.40

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Solution

The fourth proportional to 201,037.80, 301,556.70 and 197,927.40 is: 296,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,037.80 : 301,556.70 = 197,927.40 : x
  2. Step 2: Convert to fraction form
    201,037.80/301,556.70 = 197,927.40/x
  3. Step 3: Cross multiply
    201,037.80x = 301,556.70 × 197,927.40
  4. Step 4: Simplify right side
    201,037.80x = 59,686,333,583.58
  5. Step 5: Solve for x
    x = 59,686,333,583.58/201,037.80
  6. Step 6: Final answer
    x = 296,891.10

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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.