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Finding the Fourth Proportional to 183,663.90, 275,555.40 and 90,104.04

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Solution

The fourth proportional to 183,663.90, 275,555.40 and 90,104.04 is: 135,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,663.90 : 275,555.40 = 90,104.04 : x
  2. Step 2: Convert to fraction form
    183,663.90/275,555.40 = 90,104.04/x
  3. Step 3: Cross multiply
    183,663.90x = 275,555.40 × 90,104.04
  4. Step 4: Simplify right side
    183,663.90x = 24,828,654,783.82
  5. Step 5: Solve for x
    x = 24,828,654,783.82/183,663.90
  6. Step 6: Final answer
    x = 135,185.27

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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.