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Finding the Fourth Proportional to 163,414.61, 225,533.23 and 91,794.61

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Solution

The fourth proportional to 163,414.61, 225,533.23 and 91,794.61 is: 126,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,414.61 : 225,533.23 = 91,794.61 : x
  2. Step 2: Convert to fraction form
    163,414.61/225,533.23 = 91,794.61/x
  3. Step 3: Cross multiply
    163,414.61x = 225,533.23 × 91,794.61
  4. Step 4: Simplify right side
    163,414.61x = 20,702,734,430.92
  5. Step 5: Solve for x
    x = 20,702,734,430.92/163,414.61
  6. Step 6: Final answer
    x = 126,688.39

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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.