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Finding the Fourth Proportional to 114,989.92, 172,472.76 and 30,758.59

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Solution

The fourth proportional to 114,989.92, 172,472.76 and 30,758.59 is: 46,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,989.92 : 172,472.76 = 30,758.59 : x
  2. Step 2: Convert to fraction form
    114,989.92/172,472.76 = 30,758.59/x
  3. Step 3: Cross multiply
    114,989.92x = 172,472.76 × 30,758.59
  4. Step 4: Simplify right side
    114,989.92x = 5,305,018,390.49
  5. Step 5: Solve for x
    x = 5,305,018,390.49/114,989.92
  6. Step 6: Final answer
    x = 46,134.64

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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.