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Finding the Fourth Proportional to 111,493.96, 153,759.93 and 73,238.16

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Solution

The fourth proportional to 111,493.96, 153,759.93 and 73,238.16 is: 101,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,493.96 : 153,759.93 = 73,238.16 : x
  2. Step 2: Convert to fraction form
    111,493.96/153,759.93 = 73,238.16/x
  3. Step 3: Cross multiply
    111,493.96x = 153,759.93 × 73,238.16
  4. Step 4: Simplify right side
    111,493.96x = 11,261,094,354.93
  5. Step 5: Solve for x
    x = 11,261,094,354.93/111,493.96
  6. Step 6: Final answer
    x = 101,001.83

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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.