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Finding the Fourth Proportional to 104,167.08, 156,041.64 and 47,928.84

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Solution

The fourth proportional to 104,167.08, 156,041.64 and 47,928.84 is: 71,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167.08 : 156,041.64 = 47,928.84 : x
  2. Step 2: Convert to fraction form
    104,167.08/156,041.64 = 47,928.84/x
  3. Step 3: Cross multiply
    104,167.08x = 156,041.64 × 47,928.84
  4. Step 4: Simplify right side
    104,167.08x = 7,478,894,796.90
  5. Step 5: Solve for x
    x = 7,478,894,796.90/104,167.08
  6. Step 6: Final answer
    x = 71,797.11

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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.