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Finding the Fourth Proportional to 111,646.96, 154,113.30 and 73,933.36

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Solution

The fourth proportional to 111,646.96, 154,113.30 and 73,933.36 is: 102,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,646.96 : 154,113.30 = 73,933.36 : x
  2. Step 2: Convert to fraction form
    111,646.96/154,113.30 = 73,933.36/x
  3. Step 3: Cross multiply
    111,646.96x = 154,113.30 × 73,933.36
  4. Step 4: Simplify right side
    111,646.96x = 11,394,114,089.69
  5. Step 5: Solve for x
    x = 11,394,114,089.69/111,646.96
  6. Step 6: Final answer
    x = 102,054.85

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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.