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Finding the Fourth Proportional to 104,510.54, 156,768.78 and 25,624.70

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Solution

The fourth proportional to 104,510.54, 156,768.78 and 25,624.70 is: 38,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,510.54 : 156,768.78 = 25,624.70 : x
  2. Step 2: Convert to fraction form
    104,510.54/156,768.78 = 25,624.70/x
  3. Step 3: Cross multiply
    104,510.54x = 156,768.78 × 25,624.70
  4. Step 4: Simplify right side
    104,510.54x = 4,017,152,956.87
  5. Step 5: Solve for x
    x = 4,017,152,956.87/104,510.54
  6. Step 6: Final answer
    x = 38,437.78

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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.