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Finding the Fourth Proportional to 146,343.28, 201,954.06 and 79,275.28

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Solution

The fourth proportional to 146,343.28, 201,954.06 and 79,275.28 is: 109,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,343.28 : 201,954.06 = 79,275.28 : x
  2. Step 2: Convert to fraction form
    146,343.28/201,954.06 = 79,275.28/x
  3. Step 3: Cross multiply
    146,343.28x = 201,954.06 × 79,275.28
  4. Step 4: Simplify right side
    146,343.28x = 16,009,964,653.64
  5. Step 5: Solve for x
    x = 16,009,964,653.64/146,343.28
  6. Step 6: Final answer
    x = 109,400.07

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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.