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Finding the Fourth Proportional to 197,482, 272,525.34 and 108,058

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Solution

The fourth proportional to 197,482, 272,525.34 and 108,058 is: 149,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,482 : 272,525.34 = 108,058 : x
  2. Step 2: Convert to fraction form
    197,482/272,525.34 = 108,058/x
  3. Step 3: Cross multiply
    197,482x = 272,525.34 × 108,058
  4. Step 4: Simplify right side
    197,482x = 29,448,543,189.72
  5. Step 5: Solve for x
    x = 29,448,543,189.72/197,482
  6. Step 6: Final answer
    x = 149,120.14

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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.