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Finding the Fourth Proportional to 179,674, 248,047.32 and 108,070

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Solution

The fourth proportional to 179,674, 248,047.32 and 108,070 is: 149,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,674 : 248,047.32 = 108,070 : x
  2. Step 2: Convert to fraction form
    179,674/248,047.32 = 108,070/x
  3. Step 3: Cross multiply
    179,674x = 248,047.32 × 108,070
  4. Step 4: Simplify right side
    179,674x = 26,806,473,872.40
  5. Step 5: Solve for x
    x = 26,806,473,872.40/179,674
  6. Step 6: Final answer
    x = 149,195.06

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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.