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Finding the Fourth Proportional to 224,443.90, 336,729.84 and 66,675.34

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Solution

The fourth proportional to 224,443.90, 336,729.84 and 66,675.34 is: 100,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,443.90 : 336,729.84 = 66,675.34 : x
  2. Step 2: Convert to fraction form
    224,443.90/336,729.84 = 66,675.34/x
  3. Step 3: Cross multiply
    224,443.90x = 336,729.84 × 66,675.34
  4. Step 4: Simplify right side
    224,443.90x = 22,451,576,570.15
  5. Step 5: Solve for x
    x = 22,451,576,570.15/224,443.90
  6. Step 6: Final answer
    x = 100,032.02

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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.