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Finding the Fourth Proportional to 253,801.94, 380,661.60 and 95,992.88

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Solution

The fourth proportional to 253,801.94, 380,661.60 and 95,992.88 is: 143,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,801.94 : 380,661.60 = 95,992.88 : x
  2. Step 2: Convert to fraction form
    253,801.94/380,661.60 = 95,992.88/x
  3. Step 3: Cross multiply
    253,801.94x = 380,661.60 × 95,992.88
  4. Step 4: Simplify right side
    253,801.94x = 36,540,803,289.41
  5. Step 5: Solve for x
    x = 36,540,803,289.41/253,801.94
  6. Step 6: Final answer
    x = 143,973.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.