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Finding the Fourth Proportional to 255,340.46, 352,431.88 and 147,893.14

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Solution

The fourth proportional to 255,340.46, 352,431.88 and 147,893.14 is: 204,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,340.46 : 352,431.88 = 147,893.14 : x
  2. Step 2: Convert to fraction form
    255,340.46/352,431.88 = 147,893.14/x
  3. Step 3: Cross multiply
    255,340.46x = 352,431.88 × 147,893.14
  4. Step 4: Simplify right side
    255,340.46x = 52,122,257,369.30
  5. Step 5: Solve for x
    x = 52,122,257,369.30/255,340.46
  6. Step 6: Final answer
    x = 204,128.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.