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Finding the Fourth Proportional to 364,670.89, 546,986.55 and 111,951.43

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Solution

The fourth proportional to 364,670.89, 546,986.55 and 111,951.43 is: 167,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,670.89 : 546,986.55 = 111,951.43 : x
  2. Step 2: Convert to fraction form
    364,670.89/546,986.55 = 111,951.43/x
  3. Step 3: Cross multiply
    364,670.89x = 546,986.55 × 111,951.43
  4. Step 4: Simplify right side
    364,670.89x = 61,235,926,463.27
  5. Step 5: Solve for x
    x = 61,235,926,463.27/364,670.89
  6. Step 6: Final answer
    x = 167,921.07

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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.