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Finding the Fourth Proportional to 111,777.84, 154,254.46 and 60,791.06

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Solution

The fourth proportional to 111,777.84, 154,254.46 and 60,791.06 is: 83,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,777.84 : 154,254.46 = 60,791.06 : x
  2. Step 2: Convert to fraction form
    111,777.84/154,254.46 = 60,791.06/x
  3. Step 3: Cross multiply
    111,777.84x = 154,254.46 × 60,791.06
  4. Step 4: Simplify right side
    111,777.84x = 9,377,292,133.13
  5. Step 5: Solve for x
    x = 9,377,292,133.13/111,777.84
  6. Step 6: Final answer
    x = 83,892.23

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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.