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Finding the Fourth Proportional to 255,817.92, 353,023.92 and 141,107.34

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Solution

The fourth proportional to 255,817.92, 353,023.92 and 141,107.34 is: 194,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,817.92 : 353,023.92 = 141,107.34 : x
  2. Step 2: Convert to fraction form
    255,817.92/353,023.92 = 141,107.34/x
  3. Step 3: Cross multiply
    255,817.92x = 353,023.92 × 141,107.34
  4. Step 4: Simplify right side
    255,817.92x = 49,814,266,307.57
  5. Step 5: Solve for x
    x = 49,814,266,307.57/255,817.92
  6. Step 6: Final answer
    x = 194,725.48

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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.