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Finding the Fourth Proportional to 147,714.70, 203,843.68 and 84,051.13

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Solution

The fourth proportional to 147,714.70, 203,843.68 and 84,051.13 is: 115,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,714.70 : 203,843.68 = 84,051.13 : x
  2. Step 2: Convert to fraction form
    147,714.70/203,843.68 = 84,051.13/x
  3. Step 3: Cross multiply
    147,714.70x = 203,843.68 × 84,051.13
  4. Step 4: Simplify right side
    147,714.70x = 17,133,292,262.03
  5. Step 5: Solve for x
    x = 17,133,292,262.03/147,714.70
  6. Step 6: Final answer
    x = 115,989.08

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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.