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Finding the Fourth Proportional to 346,563.63, 519,714.23 and 136,086.75

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Solution

The fourth proportional to 346,563.63, 519,714.23 and 136,086.75 is: 204,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,563.63 : 519,714.23 = 136,086.75 : x
  2. Step 2: Convert to fraction form
    346,563.63/519,714.23 = 136,086.75/x
  3. Step 3: Cross multiply
    346,563.63x = 519,714.23 × 136,086.75
  4. Step 4: Simplify right side
    346,563.63x = 70,726,219,809.02
  5. Step 5: Solve for x
    x = 70,726,219,809.02/346,563.63
  6. Step 6: Final answer
    x = 204,078.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.