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Finding the Fourth Proportional to 176,578.93, 264,862.52 and 76,739.22

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Solution

The fourth proportional to 176,578.93, 264,862.52 and 76,739.22 is: 115,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,578.93 : 264,862.52 = 76,739.22 : x
  2. Step 2: Convert to fraction form
    176,578.93/264,862.52 = 76,739.22/x
  3. Step 3: Cross multiply
    176,578.93x = 264,862.52 × 76,739.22
  4. Step 4: Simplify right side
    176,578.93x = 20,325,343,192.03
  5. Step 5: Solve for x
    x = 20,325,343,192.03/176,578.93
  6. Step 6: Final answer
    x = 115,106.28

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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.