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Finding the Fourth Proportional to 364,351.80, 546,544.08 and 111,613.84

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Solution

The fourth proportional to 364,351.80, 546,544.08 and 111,613.84 is: 167,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,351.80 : 546,544.08 = 111,613.84 : x
  2. Step 2: Convert to fraction form
    364,351.80/546,544.08 = 111,613.84/x
  3. Step 3: Cross multiply
    364,351.80x = 546,544.08 × 111,613.84
  4. Step 4: Simplify right side
    364,351.80x = 61,001,883,498.07
  5. Step 5: Solve for x
    x = 61,001,883,498.07/364,351.80
  6. Step 6: Final answer
    x = 167,425.78

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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.