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Finding the Fourth Proportional to 366,971.51, 550,357.61 and 100,669.02

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Solution

The fourth proportional to 366,971.51, 550,357.61 and 100,669.02 is: 150,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,971.51 : 550,357.61 = 100,669.02 : x
  2. Step 2: Convert to fraction form
    366,971.51/550,357.61 = 100,669.02/x
  3. Step 3: Cross multiply
    366,971.51x = 550,357.61 × 100,669.02
  4. Step 4: Simplify right side
    366,971.51x = 55,403,960,744.90
  5. Step 5: Solve for x
    x = 55,403,960,744.90/366,971.51
  6. Step 6: Final answer
    x = 150,976.19

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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.