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Finding the Fourth Proportional to 165,877.06, 248,815.60 and 55,069.06

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Solution

The fourth proportional to 165,877.06, 248,815.60 and 55,069.06 is: 82,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,877.06 : 248,815.60 = 55,069.06 : x
  2. Step 2: Convert to fraction form
    165,877.06/248,815.60 = 55,069.06/x
  3. Step 3: Cross multiply
    165,877.06x = 248,815.60 × 55,069.06
  4. Step 4: Simplify right side
    165,877.06x = 13,702,041,552.03
  5. Step 5: Solve for x
    x = 13,702,041,552.03/165,877.06
  6. Step 6: Final answer
    x = 82,603.59

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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.