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Finding the Fourth Proportional to 163,497.63, 225,619.47 and 95,520.90

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Solution

The fourth proportional to 163,497.63, 225,619.47 and 95,520.90 is: 131,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,497.63 : 225,619.47 = 95,520.90 : x
  2. Step 2: Convert to fraction form
    163,497.63/225,619.47 = 95,520.90/x
  3. Step 3: Cross multiply
    163,497.63x = 225,619.47 × 95,520.90
  4. Step 4: Simplify right side
    163,497.63x = 21,551,374,831.92
  5. Step 5: Solve for x
    x = 21,551,374,831.92/163,497.63
  6. Step 6: Final answer
    x = 131,814.60

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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.