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Finding the Fourth Proportional to 161,745.56, 223,213.56 and 93,762.80

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Solution

The fourth proportional to 161,745.56, 223,213.56 and 93,762.80 is: 129,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,745.56 : 223,213.56 = 93,762.80 : x
  2. Step 2: Convert to fraction form
    161,745.56/223,213.56 = 93,762.80/x
  3. Step 3: Cross multiply
    161,745.56x = 223,213.56 × 93,762.80
  4. Step 4: Simplify right side
    161,745.56x = 20,929,128,383.57
  5. Step 5: Solve for x
    x = 20,929,128,383.57/161,745.56
  6. Step 6: Final answer
    x = 129,395.38

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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.