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Finding the Fourth Proportional to 100,346, 150,529.08 and 26,474

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Solution

The fourth proportional to 100,346, 150,529.08 and 26,474 is: 39,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,346 : 150,529.08 = 26,474 : x
  2. Step 2: Convert to fraction form
    100,346/150,529.08 = 26,474/x
  3. Step 3: Cross multiply
    100,346x = 150,529.08 × 26,474
  4. Step 4: Simplify right side
    100,346x = 3,985,106,863.92
  5. Step 5: Solve for x
    x = 3,985,106,863.92/100,346
  6. Step 6: Final answer
    x = 39,713.66

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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.