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Finding the Fourth Proportional to 333,773.26, 500,655.33 and 81,055.69

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Solution

The fourth proportional to 333,773.26, 500,655.33 and 81,055.69 is: 121,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,773.26 : 500,655.33 = 81,055.69 : x
  2. Step 2: Convert to fraction form
    333,773.26/500,655.33 = 81,055.69/x
  3. Step 3: Cross multiply
    333,773.26x = 500,655.33 × 81,055.69
  4. Step 4: Simplify right side
    333,773.26x = 40,580,961,973.69
  5. Step 5: Solve for x
    x = 40,580,961,973.69/333,773.26
  6. Step 6: Final answer
    x = 121,582.42

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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.