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Finding the Fourth Proportional to 114,358.54, 157,617.75 and 76,049.61

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Solution

The fourth proportional to 114,358.54, 157,617.75 and 76,049.61 is: 104,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,358.54 : 157,617.75 = 76,049.61 : x
  2. Step 2: Convert to fraction form
    114,358.54/157,617.75 = 76,049.61/x
  3. Step 3: Cross multiply
    114,358.54x = 157,617.75 × 76,049.61
  4. Step 4: Simplify right side
    114,358.54x = 11,986,768,416.58
  5. Step 5: Solve for x
    x = 11,986,768,416.58/114,358.54
  6. Step 6: Final answer
    x = 104,817.43

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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.