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Finding the Fourth Proportional to 183,637.80, 275,456.70 and 127,650.60

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Solution

The fourth proportional to 183,637.80, 275,456.70 and 127,650.60 is: 191,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,637.80 : 275,456.70 = 127,650.60 : x
  2. Step 2: Convert to fraction form
    183,637.80/275,456.70 = 127,650.60/x
  3. Step 3: Cross multiply
    183,637.80x = 275,456.70 × 127,650.60
  4. Step 4: Simplify right side
    183,637.80x = 35,162,213,029.02
  5. Step 5: Solve for x
    x = 35,162,213,029.02/183,637.80
  6. Step 6: Final answer
    x = 191,475.90

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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.