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Finding the Fourth Proportional to 222,883.80, 334,368.90 and 112,075.80

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Solution

The fourth proportional to 222,883.80, 334,368.90 and 112,075.80 is: 168,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,883.80 : 334,368.90 = 112,075.80 : x
  2. Step 2: Convert to fraction form
    222,883.80/334,368.90 = 112,075.80/x
  3. Step 3: Cross multiply
    222,883.80x = 334,368.90 × 112,075.80
  4. Step 4: Simplify right side
    222,883.80x = 37,474,661,962.62
  5. Step 5: Solve for x
    x = 37,474,661,962.62/222,883.80
  6. Step 6: Final answer
    x = 168,135.42

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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.