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Finding the Fourth Proportional to 364,010.51, 546,017.21 and 111,289.91

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Solution

The fourth proportional to 364,010.51, 546,017.21 and 111,289.91 is: 166,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,010.51 : 546,017.21 = 111,289.91 : x
  2. Step 2: Convert to fraction form
    364,010.51/546,017.21 = 111,289.91/x
  3. Step 3: Cross multiply
    364,010.51x = 546,017.21 × 111,289.91
  4. Step 4: Simplify right side
    364,010.51x = 60,766,203,707.49
  5. Step 5: Solve for x
    x = 60,766,203,707.49/364,010.51
  6. Step 6: Final answer
    x = 166,935.30

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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.