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Finding the Fourth Proportional to 341,251.80, 511,877.70 and 164,104.80

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Solution

The fourth proportional to 341,251.80, 511,877.70 and 164,104.80 is: 246,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,251.80 : 511,877.70 = 164,104.80 : x
  2. Step 2: Convert to fraction form
    341,251.80/511,877.70 = 164,104.80/x
  3. Step 3: Cross multiply
    341,251.80x = 511,877.70 × 164,104.80
  4. Step 4: Simplify right side
    341,251.80x = 84,001,587,582.96
  5. Step 5: Solve for x
    x = 84,001,587,582.96/341,251.80
  6. Step 6: Final answer
    x = 246,157.20

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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.