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Finding the Fourth Proportional to 255,756.01, 352,935.20 and 141,039.49

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Solution

The fourth proportional to 255,756.01, 352,935.20 and 141,039.49 is: 194,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,756.01 : 352,935.20 = 141,039.49 : x
  2. Step 2: Convert to fraction form
    255,756.01/352,935.20 = 141,039.49/x
  3. Step 3: Cross multiply
    255,756.01x = 352,935.20 × 141,039.49
  4. Step 4: Simplify right side
    255,756.01x = 49,777,800,611.05
  5. Step 5: Solve for x
    x = 49,777,800,611.05/255,756.01
  6. Step 6: Final answer
    x = 194,630.03

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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.