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Finding the Fourth Proportional to 178,418.01, 246,216.60 and 102,966.51

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Solution

The fourth proportional to 178,418.01, 246,216.60 and 102,966.51 is: 142,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,418.01 : 246,216.60 = 102,966.51 : x
  2. Step 2: Convert to fraction form
    178,418.01/246,216.60 = 102,966.51/x
  3. Step 3: Cross multiply
    178,418.01x = 246,216.60 × 102,966.51
  4. Step 4: Simplify right side
    178,418.01x = 25,352,064,006.07
  5. Step 5: Solve for x
    x = 25,352,064,006.07/178,418.01
  6. Step 6: Final answer
    x = 142,093.64

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1.5x scale

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.