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Finding the Fourth Proportional to 147,076.40, 220,096.20 and 134,634.80

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Solution

The fourth proportional to 147,076.40, 220,096.20 and 134,634.80 is: 201,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,076.40 : 220,096.20 = 134,634.80 : x
  2. Step 2: Convert to fraction form
    147,076.40/220,096.20 = 134,634.80/x
  3. Step 3: Cross multiply
    147,076.40x = 220,096.20 × 134,634.80
  4. Step 4: Simplify right side
    147,076.40x = 29,632,607,867.76
  5. Step 5: Solve for x
    x = 29,632,607,867.76/147,076.40
  6. Step 6: Final answer
    x = 201,477.65

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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.