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Finding the Fourth Proportional to 363,934.95, 546,000.68 and 111,208.51

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Solution

The fourth proportional to 363,934.95, 546,000.68 and 111,208.51 is: 166,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,934.95 : 546,000.68 = 111,208.51 : x
  2. Step 2: Convert to fraction form
    363,934.95/546,000.68 = 111,208.51/x
  3. Step 3: Cross multiply
    363,934.95x = 546,000.68 × 111,208.51
  4. Step 4: Simplify right side
    363,934.95x = 60,719,922,081.79
  5. Step 5: Solve for x
    x = 60,719,922,081.79/363,934.95
  6. Step 6: Final answer
    x = 166,842.79

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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.