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Finding the Fourth Proportional to 94,305.52, 130,140.30 and 51,863.68

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Solution

The fourth proportional to 94,305.52, 130,140.30 and 51,863.68 is: 71,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,305.52 : 130,140.30 = 51,863.68 : x
  2. Step 2: Convert to fraction form
    94,305.52/130,140.30 = 51,863.68/x
  3. Step 3: Cross multiply
    94,305.52x = 130,140.30 × 51,863.68
  4. Step 4: Simplify right side
    94,305.52x = 6,749,554,874.30
  5. Step 5: Solve for x
    x = 6,749,554,874.30/94,305.52
  6. Step 6: Final answer
    x = 71,571.15

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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.