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Finding the Fourth Proportional to 103,630.30, 155,445.45 and 37,066.39

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Solution

The fourth proportional to 103,630.30, 155,445.45 and 37,066.39 is: 55,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.30 : 155,445.45 = 37,066.39 : x
  2. Step 2: Convert to fraction form
    103,630.30/155,445.45 = 37,066.39/x
  3. Step 3: Cross multiply
    103,630.30x = 155,445.45 × 37,066.39
  4. Step 4: Simplify right side
    103,630.30x = 5,761,801,673.43
  5. Step 5: Solve for x
    x = 5,761,801,673.43/103,630.30
  6. Step 6: Final answer
    x = 55,599.59

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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.