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Finding the Fourth Proportional to 193,796.80, 290,695.20 and 183,428.80

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Solution

The fourth proportional to 193,796.80, 290,695.20 and 183,428.80 is: 275,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,796.80 : 290,695.20 = 183,428.80 : x
  2. Step 2: Convert to fraction form
    193,796.80/290,695.20 = 183,428.80/x
  3. Step 3: Cross multiply
    193,796.80x = 290,695.20 × 183,428.80
  4. Step 4: Simplify right side
    193,796.80x = 53,321,871,701.76
  5. Step 5: Solve for x
    x = 53,321,871,701.76/193,796.80
  6. Step 6: Final answer
    x = 275,143.20

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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.