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Finding the Fourth Proportional to 79,783.69, 119,696.04 and 29,864.51

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Solution

The fourth proportional to 79,783.69, 119,696.04 and 29,864.51 is: 44,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,783.69 : 119,696.04 = 29,864.51 : x
  2. Step 2: Convert to fraction form
    79,783.69/119,696.04 = 29,864.51/x
  3. Step 3: Cross multiply
    79,783.69x = 119,696.04 × 29,864.51
  4. Step 4: Simplify right side
    79,783.69x = 3,574,662,985.06
  5. Step 5: Solve for x
    x = 3,574,662,985.06/79,783.69
  6. Step 6: Final answer
    x = 44,804.43

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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.