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Finding the Fourth Proportional to 111,763.37, 154,230.38 and 61,462.37

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Solution

The fourth proportional to 111,763.37, 154,230.38 and 61,462.37 is: 84,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,763.37 : 154,230.38 = 61,462.37 : x
  2. Step 2: Convert to fraction form
    111,763.37/154,230.38 = 61,462.37/x
  3. Step 3: Cross multiply
    111,763.37x = 154,230.38 × 61,462.37
  4. Step 4: Simplify right side
    111,763.37x = 9,479,364,373.49
  5. Step 5: Solve for x
    x = 9,479,364,373.49/111,763.37
  6. Step 6: Final answer
    x = 84,816.38

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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.