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Finding the Fourth Proportional to 166,866.94, 230,275.00 and 90,384.26

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Solution

The fourth proportional to 166,866.94, 230,275.00 and 90,384.26 is: 124,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,866.94 : 230,275.00 = 90,384.26 : x
  2. Step 2: Convert to fraction form
    166,866.94/230,275.00 = 90,384.26/x
  3. Step 3: Cross multiply
    166,866.94x = 230,275.00 × 90,384.26
  4. Step 4: Simplify right side
    166,866.94x = 20,813,234,433.11
  5. Step 5: Solve for x
    x = 20,813,234,433.11/166,866.94
  6. Step 6: Final answer
    x = 124,729.53

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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.