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Finding the Fourth Proportional to 165,804.63, 248,755.38 and 53,482.36

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Solution

The fourth proportional to 165,804.63, 248,755.38 and 53,482.36 is: 80,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,804.63 : 248,755.38 = 53,482.36 : x
  2. Step 2: Convert to fraction form
    165,804.63/248,755.38 = 53,482.36/x
  3. Step 3: Cross multiply
    165,804.63x = 248,755.38 × 53,482.36
  4. Step 4: Simplify right side
    165,804.63x = 13,304,023,541.32
  5. Step 5: Solve for x
    x = 13,304,023,541.32/165,804.63
  6. Step 6: Final answer
    x = 80,239.16

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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.