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Finding the Fourth Proportional to 163,230.02, 225,040.88 and 106,542.98

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Solution

The fourth proportional to 163,230.02, 225,040.88 and 106,542.98 is: 146,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,230.02 : 225,040.88 = 106,542.98 : x
  2. Step 2: Convert to fraction form
    163,230.02/225,040.88 = 106,542.98/x
  3. Step 3: Cross multiply
    163,230.02x = 225,040.88 × 106,542.98
  4. Step 4: Simplify right side
    163,230.02x = 23,976,525,977.02
  5. Step 5: Solve for x
    x = 23,976,525,977.02/163,230.02
  6. Step 6: Final answer
    x = 146,887.97

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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.