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Finding the Fourth Proportional to 176,674.34, 243,767 and 108,702.38

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Solution

The fourth proportional to 176,674.34, 243,767 and 108,702.38 is: 149,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,674.34 : 243,767 = 108,702.38 : x
  2. Step 2: Convert to fraction form
    176,674.34/243,767 = 108,702.38/x
  3. Step 3: Cross multiply
    176,674.34x = 243,767 × 108,702.38
  4. Step 4: Simplify right side
    176,674.34x = 26,498,053,065.46
  5. Step 5: Solve for x
    x = 26,498,053,065.46/176,674.34
  6. Step 6: Final answer
    x = 149,982.47

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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.