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Finding the Fourth Proportional to 179,857.89, 248,191.16 and 99,268.16

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Solution

The fourth proportional to 179,857.89, 248,191.16 and 99,268.16 is: 136,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,857.89 : 248,191.16 = 99,268.16 : x
  2. Step 2: Convert to fraction form
    179,857.89/248,191.16 = 99,268.16/x
  3. Step 3: Cross multiply
    179,857.89x = 248,191.16 × 99,268.16
  4. Step 4: Simplify right side
    179,857.89x = 24,637,478,044.17
  5. Step 5: Solve for x
    x = 24,637,478,044.17/179,857.89
  6. Step 6: Final answer
    x = 136,983.03

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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.