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Finding the Fourth Proportional to 101,523.45, 152,260.56 and 42,359.61

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Solution

The fourth proportional to 101,523.45, 152,260.56 and 42,359.61 is: 63,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,523.45 : 152,260.56 = 42,359.61 : x
  2. Step 2: Convert to fraction form
    101,523.45/152,260.56 = 42,359.61/x
  3. Step 3: Cross multiply
    101,523.45x = 152,260.56 × 42,359.61
  4. Step 4: Simplify right side
    101,523.45x = 6,449,697,939.98
  5. Step 5: Solve for x
    x = 6,449,697,939.98/101,523.45
  6. Step 6: Final answer
    x = 63,529.14

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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.