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Finding the Fourth Proportional to 161,693.54, 223,137.14 and 93,750.13

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Solution

The fourth proportional to 161,693.54, 223,137.14 and 93,750.13 is: 129,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,693.54 : 223,137.14 = 93,750.13 : x
  2. Step 2: Convert to fraction form
    161,693.54/223,137.14 = 93,750.13/x
  3. Step 3: Cross multiply
    161,693.54x = 223,137.14 × 93,750.13
  4. Step 4: Simplify right side
    161,693.54x = 20,919,135,882.83
  5. Step 5: Solve for x
    x = 20,919,135,882.83/161,693.54
  6. Step 6: Final answer
    x = 129,375.21

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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.