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Finding the Fourth Proportional to 146,133.76, 201,664.58 and 79,065.76

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Solution

The fourth proportional to 146,133.76, 201,664.58 and 79,065.76 is: 109,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,133.76 : 201,664.58 = 79,065.76 : x
  2. Step 2: Convert to fraction form
    146,133.76/201,664.58 = 79,065.76/x
  3. Step 3: Cross multiply
    146,133.76x = 201,664.58 × 79,065.76
  4. Step 4: Simplify right side
    146,133.76x = 15,944,763,282.78
  5. Step 5: Solve for x
    x = 15,944,763,282.78/146,133.76
  6. Step 6: Final answer
    x = 109,110.74

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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.