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Finding the Fourth Proportional to 163,406.82, 225,466.43 and 95,392.92

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Solution

The fourth proportional to 163,406.82, 225,466.43 and 95,392.92 is: 131,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,406.82 : 225,466.43 = 95,392.92 : x
  2. Step 2: Convert to fraction form
    163,406.82/225,466.43 = 95,392.92/x
  3. Step 3: Cross multiply
    163,406.82x = 225,466.43 × 95,392.92
  4. Step 4: Simplify right side
    163,406.82x = 21,507,900,642.71
  5. Step 5: Solve for x
    x = 21,507,900,642.71/163,406.82
  6. Step 6: Final answer
    x = 131,621.81

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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.