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Finding the Fourth Proportional to 163,134.96, 225,156.98 and 106,447.92

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Solution

The fourth proportional to 163,134.96, 225,156.98 and 106,447.92 is: 146,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,134.96 : 225,156.98 = 106,447.92 : x
  2. Step 2: Convert to fraction form
    163,134.96/225,156.98 = 106,447.92/x
  3. Step 3: Cross multiply
    163,134.96x = 225,156.98 × 106,447.92
  4. Step 4: Simplify right side
    163,134.96x = 23,967,492,194.48
  5. Step 5: Solve for x
    x = 23,967,492,194.48/163,134.96
  6. Step 6: Final answer
    x = 146,918.18

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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.