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Finding the Fourth Proportional to 104,486.10, 156,729.15 and 37,928.40

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Solution

The fourth proportional to 104,486.10, 156,729.15 and 37,928.40 is: 56,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,486.10 : 156,729.15 = 37,928.40 : x
  2. Step 2: Convert to fraction form
    104,486.10/156,729.15 = 37,928.40/x
  3. Step 3: Cross multiply
    104,486.10x = 156,729.15 × 37,928.40
  4. Step 4: Simplify right side
    104,486.10x = 5,944,485,892.86
  5. Step 5: Solve for x
    x = 5,944,485,892.86/104,486.10
  6. Step 6: Final answer
    x = 56,892.60

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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.