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Finding the Fourth Proportional to 333,770.60, 500,651.58 and 81,053.16

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Solution

The fourth proportional to 333,770.60, 500,651.58 and 81,053.16 is: 121,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,770.60 : 500,651.58 = 81,053.16 : x
  2. Step 2: Convert to fraction form
    333,770.60/500,651.58 = 81,053.16/x
  3. Step 3: Cross multiply
    333,770.60x = 500,651.58 × 81,053.16
  4. Step 4: Simplify right side
    333,770.60x = 40,579,392,617.99
  5. Step 5: Solve for x
    x = 40,579,392,617.99/333,770.60
  6. Step 6: Final answer
    x = 121,578.69

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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.