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Finding the Fourth Proportional to 114,243.48, 171,383.46 and 39,345.12

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Solution

The fourth proportional to 114,243.48, 171,383.46 and 39,345.12 is: 59,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,243.48 : 171,383.46 = 39,345.12 : x
  2. Step 2: Convert to fraction form
    114,243.48/171,383.46 = 39,345.12/x
  3. Step 3: Cross multiply
    114,243.48x = 171,383.46 × 39,345.12
  4. Step 4: Simplify right side
    114,243.48x = 6,743,102,799.72
  5. Step 5: Solve for x
    x = 6,743,102,799.72/114,243.48
  6. Step 6: Final answer
    x = 59,023.96

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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.