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Finding the Fourth Proportional to 109,376.52, 150,939.60 and 59,075.52

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Solution

The fourth proportional to 109,376.52, 150,939.60 and 59,075.52 is: 81,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,376.52 : 150,939.60 = 59,075.52 : x
  2. Step 2: Convert to fraction form
    109,376.52/150,939.60 = 59,075.52/x
  3. Step 3: Cross multiply
    109,376.52x = 150,939.60 × 59,075.52
  4. Step 4: Simplify right side
    109,376.52x = 8,916,835,358.59
  5. Step 5: Solve for x
    x = 8,916,835,358.59/109,376.52
  6. Step 6: Final answer
    x = 81,524.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.