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Finding the Fourth Proportional to 180,075.98, 270,283.46 and 91,393.13

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Solution

The fourth proportional to 180,075.98, 270,283.46 and 91,393.13 is: 137,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,075.98 : 270,283.46 = 91,393.13 : x
  2. Step 2: Convert to fraction form
    180,075.98/270,283.46 = 91,393.13/x
  3. Step 3: Cross multiply
    180,075.98x = 270,283.46 × 91,393.13
  4. Step 4: Simplify right side
    180,075.98x = 24,702,049,588.25
  5. Step 5: Solve for x
    x = 24,702,049,588.25/180,075.98
  6. Step 6: Final answer
    x = 137,175.71

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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.