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Finding the Fourth Proportional to 104,624.60, 156,936.90 and 91,502.60

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Solution

The fourth proportional to 104,624.60, 156,936.90 and 91,502.60 is: 137,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,624.60 : 156,936.90 = 91,502.60 : x
  2. Step 2: Convert to fraction form
    104,624.60/156,936.90 = 91,502.60/x
  3. Step 3: Cross multiply
    104,624.60x = 156,936.90 × 91,502.60
  4. Step 4: Simplify right side
    104,624.60x = 14,360,134,385.94
  5. Step 5: Solve for x
    x = 14,360,134,385.94/104,624.60
  6. Step 6: Final answer
    x = 137,253.90

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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.