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Finding the Fourth Proportional to 266,534.66, 367,807.82 and 145,674.96

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Solution

The fourth proportional to 266,534.66, 367,807.82 and 145,674.96 is: 201,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,534.66 : 367,807.82 = 145,674.96 : x
  2. Step 2: Convert to fraction form
    266,534.66/367,807.82 = 145,674.96/x
  3. Step 3: Cross multiply
    266,534.66x = 367,807.82 × 145,674.96
  4. Step 4: Simplify right side
    266,534.66x = 53,580,389,466.19
  5. Step 5: Solve for x
    x = 53,580,389,466.19/266,534.66
  6. Step 6: Final answer
    x = 201,025.97

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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.