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Finding the Fourth Proportional to 183,897.23, 275,878.65 and 71,638.52

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Solution

The fourth proportional to 183,897.23, 275,878.65 and 71,638.52 is: 107,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,897.23 : 275,878.65 = 71,638.52 : x
  2. Step 2: Convert to fraction form
    183,897.23/275,878.65 = 71,638.52/x
  3. Step 3: Cross multiply
    183,897.23x = 275,878.65 × 71,638.52
  4. Step 4: Simplify right side
    183,897.23x = 19,763,538,185.60
  5. Step 5: Solve for x
    x = 19,763,538,185.60/183,897.23
  6. Step 6: Final answer
    x = 107,470.56

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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.