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Finding the Fourth Proportional to 266,097.02, 367,206.80 and 145,239.80

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Solution

The fourth proportional to 266,097.02, 367,206.80 and 145,239.80 is: 200,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,097.02 : 367,206.80 = 145,239.80 : x
  2. Step 2: Convert to fraction form
    266,097.02/367,206.80 = 145,239.80/x
  3. Step 3: Cross multiply
    266,097.02x = 367,206.80 × 145,239.80
  4. Step 4: Simplify right side
    266,097.02x = 53,333,042,190.64
  5. Step 5: Solve for x
    x = 53,333,042,190.64/266,097.02
  6. Step 6: Final answer
    x = 200,427.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.