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Finding the Fourth Proportional to 163,142.84, 225,007.22 and 134,799.32

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Solution

The fourth proportional to 163,142.84, 225,007.22 and 134,799.32 is: 185,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,142.84 : 225,007.22 = 134,799.32 : x
  2. Step 2: Convert to fraction form
    163,142.84/225,007.22 = 134,799.32/x
  3. Step 3: Cross multiply
    163,142.84x = 225,007.22 × 134,799.32
  4. Step 4: Simplify right side
    163,142.84x = 30,330,820,251.09
  5. Step 5: Solve for x
    x = 30,330,820,251.09/163,142.84
  6. Step 6: Final answer
    x = 185,915.73

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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.