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Finding the Fourth Proportional to 362,075.77, 543,114.11 and 125,418.43

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Solution

The fourth proportional to 362,075.77, 543,114.11 and 125,418.43 is: 188,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,075.77 : 543,114.11 = 125,418.43 : x
  2. Step 2: Convert to fraction form
    362,075.77/543,114.11 = 125,418.43/x
  3. Step 3: Cross multiply
    362,075.77x = 543,114.11 × 125,418.43
  4. Step 4: Simplify right side
    362,075.77x = 68,116,516,924.47
  5. Step 5: Solve for x
    x = 68,116,516,924.47/362,075.77
  6. Step 6: Final answer
    x = 188,127.80

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1.5x scale

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.