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Finding the Fourth Proportional to 103,295.24, 154,610.66 and 53,307.24

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Solution

The fourth proportional to 103,295.24, 154,610.66 and 53,307.24 is: 79,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,295.24 : 154,610.66 = 53,307.24 : x
  2. Step 2: Convert to fraction form
    103,295.24/154,610.66 = 53,307.24/x
  3. Step 3: Cross multiply
    103,295.24x = 154,610.66 × 53,307.24
  4. Step 4: Simplify right side
    103,295.24x = 8,241,866,519.59
  5. Step 5: Solve for x
    x = 8,241,866,519.59/103,295.24
  6. Step 6: Final answer
    x = 79,789.41

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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.