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Finding the Fourth Proportional to 151,334.97, 208,857.01 and 113,028.01

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Solution

The fourth proportional to 151,334.97, 208,857.01 and 113,028.01 is: 155,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,334.97 : 208,857.01 = 113,028.01 : x
  2. Step 2: Convert to fraction form
    151,334.97/208,857.01 = 113,028.01/x
  3. Step 3: Cross multiply
    151,334.97x = 208,857.01 × 113,028.01
  4. Step 4: Simplify right side
    151,334.97x = 23,606,691,304.17
  5. Step 5: Solve for x
    x = 23,606,691,304.17/151,334.97
  6. Step 6: Final answer
    x = 155,989.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.