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Finding the Fourth Proportional to 171,003.20, 235,977.04 and 94,518.32

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Solution

The fourth proportional to 171,003.20, 235,977.04 and 94,518.32 is: 130,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,003.20 : 235,977.04 = 94,518.32 : x
  2. Step 2: Convert to fraction form
    171,003.20/235,977.04 = 94,518.32/x
  3. Step 3: Cross multiply
    171,003.20x = 235,977.04 × 94,518.32
  4. Step 4: Simplify right side
    171,003.20x = 22,304,153,379.37
  5. Step 5: Solve for x
    x = 22,304,153,379.37/171,003.20
  6. Step 6: Final answer
    x = 130,431.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.