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Finding the Fourth Proportional to 127,476.26, 191,973.24 and 111,034.88

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Solution

The fourth proportional to 127,476.26, 191,973.24 and 111,034.88 is: 167,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,476.26 : 191,973.24 = 111,034.88 : x
  2. Step 2: Convert to fraction form
    127,476.26/191,973.24 = 111,034.88/x
  3. Step 3: Cross multiply
    127,476.26x = 191,973.24 × 111,034.88
  4. Step 4: Simplify right side
    127,476.26x = 21,315,725,426.64
  5. Step 5: Solve for x
    x = 21,315,725,426.64/127,476.26
  6. Step 6: Final answer
    x = 167,213.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.