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Finding the Fourth Proportional to 79,783.66, 119,699.79 and 37,696.06

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Solution

The fourth proportional to 79,783.66, 119,699.79 and 37,696.06 is: 56,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,783.66 : 119,699.79 = 37,696.06 : x
  2. Step 2: Convert to fraction form
    79,783.66/119,699.79 = 37,696.06/x
  3. Step 3: Cross multiply
    79,783.66x = 119,699.79 × 37,696.06
  4. Step 4: Simplify right side
    79,783.66x = 4,512,210,465.83
  5. Step 5: Solve for x
    x = 4,512,210,465.83/79,783.66
  6. Step 6: Final answer
    x = 56,555.57

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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.