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Finding the Fourth Proportional to 104,432.64, 156,613.76 and 37,858.80

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Solution

The fourth proportional to 104,432.64, 156,613.76 and 37,858.80 is: 56,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,432.64 : 156,613.76 = 37,858.80 : x
  2. Step 2: Convert to fraction form
    104,432.64/156,613.76 = 37,858.80/x
  3. Step 3: Cross multiply
    104,432.64x = 156,613.76 × 37,858.80
  4. Step 4: Simplify right side
    104,432.64x = 5,929,209,017.09
  5. Step 5: Solve for x
    x = 5,929,209,017.09/104,432.64
  6. Step 6: Final answer
    x = 56,775.44

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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.