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Finding the Fourth Proportional to 255,933.85, 353,187.67 and 141,219.63

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Solution

The fourth proportional to 255,933.85, 353,187.67 and 141,219.63 is: 194,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,933.85 : 353,187.67 = 141,219.63 : x
  2. Step 2: Convert to fraction form
    255,933.85/353,187.67 = 141,219.63/x
  3. Step 3: Cross multiply
    255,933.85x = 353,187.67 × 141,219.63
  4. Step 4: Simplify right side
    255,933.85x = 49,877,032,077.96
  5. Step 5: Solve for x
    x = 49,877,032,077.96/255,933.85
  6. Step 6: Final answer
    x = 194,882.51

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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.