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Finding the Fourth Proportional to 168,994.21, 233,210.01 and 92,512.39

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Solution

The fourth proportional to 168,994.21, 233,210.01 and 92,512.39 is: 127,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,994.21 : 233,210.01 = 92,512.39 : x
  2. Step 2: Convert to fraction form
    168,994.21/233,210.01 = 92,512.39/x
  3. Step 3: Cross multiply
    168,994.21x = 233,210.01 × 92,512.39
  4. Step 4: Simplify right side
    168,994.21x = 21,574,815,397.02
  5. Step 5: Solve for x
    x = 21,574,815,397.02/168,994.21
  6. Step 6: Final answer
    x = 127,666.00

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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.