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Finding the Fourth Proportional to 183,698.73, 275,417.69 and 71,284.10

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Solution

The fourth proportional to 183,698.73, 275,417.69 and 71,284.10 is: 106,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,698.73 : 275,417.69 = 71,284.10 : x
  2. Step 2: Convert to fraction form
    183,698.73/275,417.69 = 71,284.10/x
  3. Step 3: Cross multiply
    183,698.73x = 275,417.69 × 71,284.10
  4. Step 4: Simplify right side
    183,698.73x = 19,632,900,422.22
  5. Step 5: Solve for x
    x = 19,632,900,422.22/183,698.73
  6. Step 6: Final answer
    x = 106,875.54

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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.