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Finding the Fourth Proportional to 255,884.99, 353,120.25 and 141,170.76

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Solution

The fourth proportional to 255,884.99, 353,120.25 and 141,170.76 is: 194,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,884.99 : 353,120.25 = 141,170.76 : x
  2. Step 2: Convert to fraction form
    255,884.99/353,120.25 = 141,170.76/x
  3. Step 3: Cross multiply
    255,884.99x = 353,120.25 × 141,170.76
  4. Step 4: Simplify right side
    255,884.99x = 49,850,254,063.89
  5. Step 5: Solve for x
    x = 49,850,254,063.89/255,884.99
  6. Step 6: Final answer
    x = 194,815.08

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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.