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Finding the Fourth Proportional to 192,661.60, 265,914.56 and 117,234.40

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Solution

The fourth proportional to 192,661.60, 265,914.56 and 117,234.40 is: 161,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,661.60 : 265,914.56 = 117,234.40 : x
  2. Step 2: Convert to fraction form
    192,661.60/265,914.56 = 117,234.40/x
  3. Step 3: Cross multiply
    192,661.60x = 265,914.56 × 117,234.40
  4. Step 4: Simplify right side
    192,661.60x = 31,174,333,892.86
  5. Step 5: Solve for x
    x = 31,174,333,892.86/192,661.60
  6. Step 6: Final answer
    x = 161,808.76

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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.