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Finding the Fourth Proportional to 163,347.47, 225,419.52 and 91,727.54

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Solution

The fourth proportional to 163,347.47, 225,419.52 and 91,727.54 is: 126,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,347.47 : 225,419.52 = 91,727.54 : x
  2. Step 2: Convert to fraction form
    163,347.47/225,419.52 = 91,727.54/x
  3. Step 3: Cross multiply
    163,347.47x = 225,419.52 × 91,727.54
  4. Step 4: Simplify right side
    163,347.47x = 20,677,178,099.78
  5. Step 5: Solve for x
    x = 20,677,178,099.78/163,347.47
  6. Step 6: Final answer
    x = 126,584.01

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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.