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Finding the Fourth Proportional to 110,009.40, 164,975.70 and 57,401.40

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Solution

The fourth proportional to 110,009.40, 164,975.70 and 57,401.40 is: 86,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,009.40 : 164,975.70 = 57,401.40 : x
  2. Step 2: Convert to fraction form
    110,009.40/164,975.70 = 57,401.40/x
  3. Step 3: Cross multiply
    110,009.40x = 164,975.70 × 57,401.40
  4. Step 4: Simplify right side
    110,009.40x = 9,469,836,145.98
  5. Step 5: Solve for x
    x = 9,469,836,145.98/110,009.40
  6. Step 6: Final answer
    x = 86,082.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.