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Finding the Fourth Proportional to 165,802.80, 248,704.20 and 54,994.80

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Solution

The fourth proportional to 165,802.80, 248,704.20 and 54,994.80 is: 82,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,802.80 : 248,704.20 = 54,994.80 : x
  2. Step 2: Convert to fraction form
    165,802.80/248,704.20 = 54,994.80/x
  3. Step 3: Cross multiply
    165,802.80x = 248,704.20 × 54,994.80
  4. Step 4: Simplify right side
    165,802.80x = 13,677,437,738.16
  5. Step 5: Solve for x
    x = 13,677,437,738.16/165,802.80
  6. Step 6: Final answer
    x = 82,492.20

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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.