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Finding the Fourth Proportional to 104,585.68, 156,852.92 and 49,125.84

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Solution

The fourth proportional to 104,585.68, 156,852.92 and 49,125.84 is: 73,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,585.68 : 156,852.92 = 49,125.84 : x
  2. Step 2: Convert to fraction form
    104,585.68/156,852.92 = 49,125.84/x
  3. Step 3: Cross multiply
    104,585.68x = 156,852.92 × 49,125.84
  4. Step 4: Simplify right side
    104,585.68x = 7,705,531,451.45
  5. Step 5: Solve for x
    x = 7,705,531,451.45/104,585.68
  6. Step 6: Final answer
    x = 73,676.74

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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.