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Finding the Fourth Proportional to 266,875.02, 400,050.09 and 126,732.06

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Solution

The fourth proportional to 266,875.02, 400,050.09 and 126,732.06 is: 189,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,875.02 : 400,050.09 = 126,732.06 : x
  2. Step 2: Convert to fraction form
    266,875.02/400,050.09 = 126,732.06/x
  3. Step 3: Cross multiply
    266,875.02x = 400,050.09 × 126,732.06
  4. Step 4: Simplify right side
    266,875.02x = 50,699,172,008.89
  5. Step 5: Solve for x
    x = 50,699,172,008.89/266,875.02
  6. Step 6: Final answer
    x = 189,973.46

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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.