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Finding the Fourth Proportional to 164,494.80, 246,742.20 and 161,870.40

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Solution

The fourth proportional to 164,494.80, 246,742.20 and 161,870.40 is: 242,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,494.80 : 246,742.20 = 161,870.40 : x
  2. Step 2: Convert to fraction form
    164,494.80/246,742.20 = 161,870.40/x
  3. Step 3: Cross multiply
    164,494.80x = 246,742.20 × 161,870.40
  4. Step 4: Simplify right side
    164,494.80x = 39,940,258,610.88
  5. Step 5: Solve for x
    x = 39,940,258,610.88/164,494.80
  6. Step 6: Final answer
    x = 242,805.60

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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.