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Finding the Fourth Proportional to 127,041.44, 190,571.44 and 42,801.76

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Solution

The fourth proportional to 127,041.44, 190,571.44 and 42,801.76 is: 64,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,041.44 : 190,571.44 = 42,801.76 : x
  2. Step 2: Convert to fraction form
    127,041.44/190,571.44 = 42,801.76/x
  3. Step 3: Cross multiply
    127,041.44x = 190,571.44 × 42,801.76
  4. Step 4: Simplify right side
    127,041.44x = 8,156,793,037.73
  5. Step 5: Solve for x
    x = 8,156,793,037.73/127,041.44
  6. Step 6: Final answer
    x = 64,205.77

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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.