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Finding the Fourth Proportional to 220,104.90, 330,157.35 and 53,892.90

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Solution

The fourth proportional to 220,104.90, 330,157.35 and 53,892.90 is: 80,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,104.90 : 330,157.35 = 53,892.90 : x
  2. Step 2: Convert to fraction form
    220,104.90/330,157.35 = 53,892.90/x
  3. Step 3: Cross multiply
    220,104.90x = 330,157.35 × 53,892.90
  4. Step 4: Simplify right side
    220,104.90x = 17,793,137,047.82
  5. Step 5: Solve for x
    x = 17,793,137,047.82/220,104.90
  6. Step 6: Final answer
    x = 80,839.35

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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.