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Finding the Fourth Proportional to 200,749.28, 301,036.40 and 67,593.76

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Solution

The fourth proportional to 200,749.28, 301,036.40 and 67,593.76 is: 101,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,749.28 : 301,036.40 = 67,593.76 : x
  2. Step 2: Convert to fraction form
    200,749.28/301,036.40 = 67,593.76/x
  3. Step 3: Cross multiply
    200,749.28x = 301,036.40 × 67,593.76
  4. Step 4: Simplify right side
    200,749.28x = 20,348,182,172.86
  5. Step 5: Solve for x
    x = 20,348,182,172.86/200,749.28
  6. Step 6: Final answer
    x = 101,361.17

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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.