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Finding the Fourth Proportional to 123,523.40, 185,333.70 and 48,630.80

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Solution

The fourth proportional to 123,523.40, 185,333.70 and 48,630.80 is: 72,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,523.40 : 185,333.70 = 48,630.80 : x
  2. Step 2: Convert to fraction form
    123,523.40/185,333.70 = 48,630.80/x
  3. Step 3: Cross multiply
    123,523.40x = 185,333.70 × 48,630.80
  4. Step 4: Simplify right side
    123,523.40x = 9,012,926,097.96
  5. Step 5: Solve for x
    x = 9,012,926,097.96/123,523.40
  6. Step 6: Final answer
    x = 72,965.33

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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.