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Finding the Fourth Proportional to 266,522.55, 367,800.24 and 145,663.81

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Solution

The fourth proportional to 266,522.55, 367,800.24 and 145,663.81 is: 201,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,522.55 : 367,800.24 = 145,663.81 : x
  2. Step 2: Convert to fraction form
    266,522.55/367,800.24 = 145,663.81/x
  3. Step 3: Cross multiply
    266,522.55x = 367,800.24 × 145,663.81
  4. Step 4: Simplify right side
    266,522.55x = 53,575,183,904.05
  5. Step 5: Solve for x
    x = 53,575,183,904.05/266,522.55
  6. Step 6: Final answer
    x = 201,015.58

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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.