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Finding the Fourth Proportional to 164,387.60, 246,363.40 and 84,422.34

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Solution

The fourth proportional to 164,387.60, 246,363.40 and 84,422.34 is: 126,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,387.60 : 246,363.40 = 84,422.34 : x
  2. Step 2: Convert to fraction form
    164,387.60/246,363.40 = 84,422.34/x
  3. Step 3: Cross multiply
    164,387.60x = 246,363.40 × 84,422.34
  4. Step 4: Simplify right side
    164,387.60x = 20,798,574,718.36
  5. Step 5: Solve for x
    x = 20,798,574,718.36/164,387.60
  6. Step 6: Final answer
    x = 126,521.55

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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.