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Finding the Fourth Proportional to 163,406.32, 225,465.74 and 95,392.43

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Solution

The fourth proportional to 163,406.32, 225,465.74 and 95,392.43 is: 131,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,406.32 : 225,465.74 = 95,392.43 : x
  2. Step 2: Convert to fraction form
    163,406.32/225,465.74 = 95,392.43/x
  3. Step 3: Cross multiply
    163,406.32x = 225,465.74 × 95,392.43
  4. Step 4: Simplify right side
    163,406.32x = 21,507,723,693.02
  5. Step 5: Solve for x
    x = 21,507,723,693.02/163,406.32
  6. Step 6: Final answer
    x = 131,621.13

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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.