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Finding the Fourth Proportional to 266,167.56, 367,289.16 and 151,415.67

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Solution

The fourth proportional to 266,167.56, 367,289.16 and 151,415.67 is: 208,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,167.56 : 367,289.16 = 151,415.67 : x
  2. Step 2: Convert to fraction form
    266,167.56/367,289.16 = 151,415.67/x
  3. Step 3: Cross multiply
    266,167.56x = 367,289.16 × 151,415.67
  4. Step 4: Simplify right side
    266,167.56x = 55,613,334,245.14
  5. Step 5: Solve for x
    x = 55,613,334,245.14/266,167.56
  6. Step 6: Final answer
    x = 208,941.07

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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.