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Finding the Fourth Proportional to 266,395.66, 399,580.47 and 97,903.03

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Solution

The fourth proportional to 266,395.66, 399,580.47 and 97,903.03 is: 146,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,395.66 : 399,580.47 = 97,903.03 : x
  2. Step 2: Convert to fraction form
    266,395.66/399,580.47 = 97,903.03/x
  3. Step 3: Cross multiply
    266,395.66x = 399,580.47 × 97,903.03
  4. Step 4: Simplify right side
    266,395.66x = 39,120,138,216.73
  5. Step 5: Solve for x
    x = 39,120,138,216.73/266,395.66
  6. Step 6: Final answer
    x = 146,849.76

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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.