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Finding the Fourth Proportional to 79,782.66, 119,698.29 and 37,695.06

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Solution

The fourth proportional to 79,782.66, 119,698.29 and 37,695.06 is: 56,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,782.66 : 119,698.29 = 37,695.06 : x
  2. Step 2: Convert to fraction form
    79,782.66/119,698.29 = 37,695.06/x
  3. Step 3: Cross multiply
    79,782.66x = 119,698.29 × 37,695.06
  4. Step 4: Simplify right side
    79,782.66x = 4,512,034,223.45
  5. Step 5: Solve for x
    x = 4,512,034,223.45/79,782.66
  6. Step 6: Final answer
    x = 56,554.07

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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.