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Finding the Fourth Proportional to 167,401.02, 230,927.72 and 106,908.06

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Solution

The fourth proportional to 167,401.02, 230,927.72 and 106,908.06 is: 147,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,401.02 : 230,927.72 = 106,908.06 : x
  2. Step 2: Convert to fraction form
    167,401.02/230,927.72 = 106,908.06/x
  3. Step 3: Cross multiply
    167,401.02x = 230,927.72 × 106,908.06
  4. Step 4: Simplify right side
    167,401.02x = 24,688,034,010.88
  5. Step 5: Solve for x
    x = 24,688,034,010.88/167,401.02
  6. Step 6: Final answer
    x = 147,478.40

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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.