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Finding the Fourth Proportional to 79,392.59, 118,933.19 and 46,042.59

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Solution

The fourth proportional to 79,392.59, 118,933.19 and 46,042.59 is: 68,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,392.59 : 118,933.19 = 46,042.59 : x
  2. Step 2: Convert to fraction form
    79,392.59/118,933.19 = 46,042.59/x
  3. Step 3: Cross multiply
    79,392.59x = 118,933.19 × 46,042.59
  4. Step 4: Simplify right side
    79,392.59x = 5,475,991,577.02
  5. Step 5: Solve for x
    x = 5,475,991,577.02/79,392.59
  6. Step 6: Final answer
    x = 68,973.58

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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.