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Finding the Fourth Proportional to 168,058.10, 235,456.30 and 168,058.10

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Solution

The fourth proportional to 168,058.10, 235,456.30 and 168,058.10 is: 235,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,058.10 : 235,456.30 = 168,058.10 : x
  2. Step 2: Convert to fraction form
    168,058.10/235,456.30 = 168,058.10/x
  3. Step 3: Cross multiply
    168,058.10x = 235,456.30 × 168,058.10
  4. Step 4: Simplify right side
    168,058.10x = 39,570,338,411.03
  5. Step 5: Solve for x
    x = 39,570,338,411.03/168,058.10
  6. Step 6: Final answer
    x = 235,456.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.