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Finding the Fourth Proportional to 164,042.40, 246,063.60 and 81,098.40

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Solution

The fourth proportional to 164,042.40, 246,063.60 and 81,098.40 is: 121,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,042.40 : 246,063.60 = 81,098.40 : x
  2. Step 2: Convert to fraction form
    164,042.40/246,063.60 = 81,098.40/x
  3. Step 3: Cross multiply
    164,042.40x = 246,063.60 × 81,098.40
  4. Step 4: Simplify right side
    164,042.40x = 19,955,364,258.24
  5. Step 5: Solve for x
    x = 19,955,364,258.24/164,042.40
  6. Step 6: Final answer
    x = 121,647.60

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1.5x scale

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.