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Finding the Fourth Proportional to 220,801.80, 331,245.90 and 94,441.80

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Solution

The fourth proportional to 220,801.80, 331,245.90 and 94,441.80 is: 141,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,801.80 : 331,245.90 = 94,441.80 : x
  2. Step 2: Convert to fraction form
    220,801.80/331,245.90 = 94,441.80/x
  3. Step 3: Cross multiply
    220,801.80x = 331,245.90 × 94,441.80
  4. Step 4: Simplify right side
    220,801.80x = 31,283,459,038.62
  5. Step 5: Solve for x
    x = 31,283,459,038.62/220,801.80
  6. Step 6: Final answer
    x = 141,681.18

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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.