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Finding the Fourth Proportional to 161,176.41, 222,410.41 and 93,197.78

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Solution

The fourth proportional to 161,176.41, 222,410.41 and 93,197.78 is: 128,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,176.41 : 222,410.41 = 93,197.78 : x
  2. Step 2: Convert to fraction form
    161,176.41/222,410.41 = 93,197.78/x
  3. Step 3: Cross multiply
    161,176.41x = 222,410.41 × 93,197.78
  4. Step 4: Simplify right side
    161,176.41x = 20,728,156,460.89
  5. Step 5: Solve for x
    x = 20,728,156,460.89/161,176.41
  6. Step 6: Final answer
    x = 128,605.40

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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.