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Finding the Fourth Proportional to 146,326.14, 201,930.06 and 79,258.14

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Solution

The fourth proportional to 146,326.14, 201,930.06 and 79,258.14 is: 109,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,326.14 : 201,930.06 = 79,258.14 : x
  2. Step 2: Convert to fraction form
    146,326.14/201,930.06 = 79,258.14/x
  3. Step 3: Cross multiply
    146,326.14x = 201,930.06 × 79,258.14
  4. Step 4: Simplify right side
    146,326.14x = 16,004,600,965.69
  5. Step 5: Solve for x
    x = 16,004,600,965.69/146,326.14
  6. Step 6: Final answer
    x = 109,376.23

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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.