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Finding the Fourth Proportional to 110,057.40, 164,648.70 and 95,428.80

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Solution

The fourth proportional to 110,057.40, 164,648.70 and 95,428.80 is: 142,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,057.40 : 164,648.70 = 95,428.80 : x
  2. Step 2: Convert to fraction form
    110,057.40/164,648.70 = 95,428.80/x
  3. Step 3: Cross multiply
    110,057.40x = 164,648.70 × 95,428.80
  4. Step 4: Simplify right side
    110,057.40x = 15,712,227,862.56
  5. Step 5: Solve for x
    x = 15,712,227,862.56/110,057.40
  6. Step 6: Final answer
    x = 142,763.94

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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.