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Finding the Fourth Proportional to 178,518, 246,680.82 and 130,035.54

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Solution

The fourth proportional to 178,518, 246,680.82 and 130,035.54 is: 179,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,518 : 246,680.82 = 130,035.54 : x
  2. Step 2: Convert to fraction form
    178,518/246,680.82 = 130,035.54/x
  3. Step 3: Cross multiply
    178,518x = 246,680.82 × 130,035.54
  4. Step 4: Simplify right side
    178,518x = 32,077,273,636.34
  5. Step 5: Solve for x
    x = 32,077,273,636.34/178,518
  6. Step 6: Final answer
    x = 179,686.49

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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.