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Finding the Fourth Proportional to 245,810.88, 339,195.54 and 181,315.20

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Solution

The fourth proportional to 245,810.88, 339,195.54 and 181,315.20 is: 250,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,810.88 : 339,195.54 = 181,315.20 : x
  2. Step 2: Convert to fraction form
    245,810.88/339,195.54 = 181,315.20/x
  3. Step 3: Cross multiply
    245,810.88x = 339,195.54 × 181,315.20
  4. Step 4: Simplify right side
    245,810.88x = 61,501,307,174.21
  5. Step 5: Solve for x
    x = 61,501,307,174.21/245,810.88
  6. Step 6: Final answer
    x = 250,197.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.