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Finding the Fourth Proportional to 364,610.48, 546,931.92 and 111,872.48

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Solution

The fourth proportional to 364,610.48, 546,931.92 and 111,872.48 is: 167,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,610.48 : 546,931.92 = 111,872.48 : x
  2. Step 2: Convert to fraction form
    364,610.48/546,931.92 = 111,872.48/x
  3. Step 3: Cross multiply
    364,610.48x = 546,931.92 × 111,872.48
  4. Step 4: Simplify right side
    364,610.48x = 61,186,630,281.56
  5. Step 5: Solve for x
    x = 61,186,630,281.56/364,610.48
  6. Step 6: Final answer
    x = 167,813.69

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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.