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Finding the Fourth Proportional to 122,041.24, 168,416.96 and 68,326.36

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Solution

The fourth proportional to 122,041.24, 168,416.96 and 68,326.36 is: 94,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,041.24 : 168,416.96 = 68,326.36 : x
  2. Step 2: Convert to fraction form
    122,041.24/168,416.96 = 68,326.36/x
  3. Step 3: Cross multiply
    122,041.24x = 168,416.96 × 68,326.36
  4. Step 4: Simplify right side
    122,041.24x = 11,507,317,839.07
  5. Step 5: Solve for x
    x = 11,507,317,839.07/122,041.24
  6. Step 6: Final answer
    x = 94,290.40

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