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Finding the Fourth Proportional to 104,330.88, 156,496.32 and 48,913.92

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Solution

The fourth proportional to 104,330.88, 156,496.32 and 48,913.92 is: 73,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,330.88 : 156,496.32 = 48,913.92 : x
  2. Step 2: Convert to fraction form
    104,330.88/156,496.32 = 48,913.92/x
  3. Step 3: Cross multiply
    104,330.88x = 156,496.32 × 48,913.92
  4. Step 4: Simplify right side
    104,330.88x = 7,654,848,476.77
  5. Step 5: Solve for x
    x = 7,654,848,476.77/104,330.88
  6. Step 6: Final answer
    x = 73,370.88

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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.