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Finding the Fourth Proportional to 266,530.02, 367,812.06 and 145,672.74

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Solution

The fourth proportional to 266,530.02, 367,812.06 and 145,672.74 is: 201,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,530.02 : 367,812.06 = 145,672.74 : x
  2. Step 2: Convert to fraction form
    266,530.02/367,812.06 = 145,672.74/x
  3. Step 3: Cross multiply
    266,530.02x = 367,812.06 × 145,672.74
  4. Step 4: Simplify right side
    266,530.02x = 53,580,190,585.24
  5. Step 5: Solve for x
    x = 53,580,190,585.24/266,530.02
  6. Step 6: Final answer
    x = 201,028.73

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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.