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Finding the Fourth Proportional to 269,075.40, 403,467.30 and 111,125.40

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Solution

The fourth proportional to 269,075.40, 403,467.30 and 111,125.40 is: 166,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,075.40 : 403,467.30 = 111,125.40 : x
  2. Step 2: Convert to fraction form
    269,075.40/403,467.30 = 111,125.40/x
  3. Step 3: Cross multiply
    269,075.40x = 403,467.30 × 111,125.40
  4. Step 4: Simplify right side
    269,075.40x = 44,835,465,099.42
  5. Step 5: Solve for x
    x = 44,835,465,099.42/269,075.40
  6. Step 6: Final answer
    x = 166,627.89

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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.