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Finding the Fourth Proportional to 104,075.52, 156,120 and 36,599.28

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Solution

The fourth proportional to 104,075.52, 156,120 and 36,599.28 is: 54,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.52 : 156,120 = 36,599.28 : x
  2. Step 2: Convert to fraction form
    104,075.52/156,120 = 36,599.28/x
  3. Step 3: Cross multiply
    104,075.52x = 156,120 × 36,599.28
  4. Step 4: Simplify right side
    104,075.52x = 5,713,879,593.60
  5. Step 5: Solve for x
    x = 5,713,879,593.60/104,075.52
  6. Step 6: Final answer
    x = 54,901.28

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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.