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Finding the Fourth Proportional to 81,818.52, 112,904.40 and 46,008.12

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Solution

The fourth proportional to 81,818.52, 112,904.40 and 46,008.12 is: 63,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,818.52 : 112,904.40 = 46,008.12 : x
  2. Step 2: Convert to fraction form
    81,818.52/112,904.40 = 46,008.12/x
  3. Step 3: Cross multiply
    81,818.52x = 112,904.40 × 46,008.12
  4. Step 4: Simplify right side
    81,818.52x = 5,194,519,183.73
  5. Step 5: Solve for x
    x = 5,194,519,183.73/81,818.52
  6. Step 6: Final answer
    x = 63,488.31

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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.