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Finding the Fourth Proportional to 104,617.74, 156,926.63 and 48,427.13

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Solution

The fourth proportional to 104,617.74, 156,926.63 and 48,427.13 is: 72,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617.74 : 156,926.63 = 48,427.13 : x
  2. Step 2: Convert to fraction form
    104,617.74/156,926.63 = 48,427.13/x
  3. Step 3: Cross multiply
    104,617.74x = 156,926.63 × 48,427.13
  4. Step 4: Simplify right side
    104,617.74x = 7,599,506,824.86
  5. Step 5: Solve for x
    x = 7,599,506,824.86/104,617.74
  6. Step 6: Final answer
    x = 72,640.71

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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.