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Finding the Fourth Proportional to 101,409.80, 152,114.70 and 26,529.80

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Solution

The fourth proportional to 101,409.80, 152,114.70 and 26,529.80 is: 39,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,409.80 : 152,114.70 = 26,529.80 : x
  2. Step 2: Convert to fraction form
    101,409.80/152,114.70 = 26,529.80/x
  3. Step 3: Cross multiply
    101,409.80x = 152,114.70 × 26,529.80
  4. Step 4: Simplify right side
    101,409.80x = 4,035,572,568.06
  5. Step 5: Solve for x
    x = 4,035,572,568.06/101,409.80
  6. Step 6: Final answer
    x = 39,794.70

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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.