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Finding the Fourth Proportional to 79,401.65, 118,946.77 and 46,051.65

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Solution

The fourth proportional to 79,401.65, 118,946.77 and 46,051.65 is: 68,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,401.65 : 118,946.77 = 46,051.65 : x
  2. Step 2: Convert to fraction form
    79,401.65/118,946.77 = 46,051.65/x
  3. Step 3: Cross multiply
    79,401.65x = 118,946.77 × 46,051.65
  4. Step 4: Simplify right side
    79,401.65x = 5,477,694,905.54
  5. Step 5: Solve for x
    x = 5,477,694,905.54/79,401.65
  6. Step 6: Final answer
    x = 68,987.17

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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.