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Finding the Fourth Proportional to 216,725.56, 299,141.39 and 126,099.03

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Solution

The fourth proportional to 216,725.56, 299,141.39 and 126,099.03 is: 174,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,725.56 : 299,141.39 = 126,099.03 : x
  2. Step 2: Convert to fraction form
    216,725.56/299,141.39 = 126,099.03/x
  3. Step 3: Cross multiply
    216,725.56x = 299,141.39 × 126,099.03
  4. Step 4: Simplify right side
    216,725.56x = 37,721,439,111.85
  5. Step 5: Solve for x
    x = 37,721,439,111.85/216,725.56
  6. Step 6: Final answer
    x = 174,051.64

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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.