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Finding the Fourth Proportional to 81,814.62, 112,901.92 and 46,003.71

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Solution

The fourth proportional to 81,814.62, 112,901.92 and 46,003.71 is: 63,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,814.62 : 112,901.92 = 46,003.71 : x
  2. Step 2: Convert to fraction form
    81,814.62/112,901.92 = 46,003.71/x
  3. Step 3: Cross multiply
    81,814.62x = 112,901.92 × 46,003.71
  4. Step 4: Simplify right side
    81,814.62x = 5,193,907,186.12
  5. Step 5: Solve for x
    x = 5,193,907,186.12/81,814.62
  6. Step 6: Final answer
    x = 63,483.85

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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.