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Finding the Fourth Proportional to 82,135.52, 113,352.72 and 46,328.88

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Solution

The fourth proportional to 82,135.52, 113,352.72 and 46,328.88 is: 63,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,135.52 : 113,352.72 = 46,328.88 : x
  2. Step 2: Convert to fraction form
    82,135.52/113,352.72 = 46,328.88/x
  3. Step 3: Cross multiply
    82,135.52x = 113,352.72 × 46,328.88
  4. Step 4: Simplify right side
    82,135.52x = 5,251,504,562.55
  5. Step 5: Solve for x
    x = 5,251,504,562.55/82,135.52
  6. Step 6: Final answer
    x = 63,937.07

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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.