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Finding the Fourth Proportional to 81,892.39, 113,018.03 and 46,080.13

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Solution

The fourth proportional to 81,892.39, 113,018.03 and 46,080.13 is: 63,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,892.39 : 113,018.03 = 46,080.13 : x
  2. Step 2: Convert to fraction form
    81,892.39/113,018.03 = 46,080.13/x
  3. Step 3: Cross multiply
    81,892.39x = 113,018.03 × 46,080.13
  4. Step 4: Simplify right side
    81,892.39x = 5,207,885,514.74
  5. Step 5: Solve for x
    x = 5,207,885,514.74/81,892.39
  6. Step 6: Final answer
    x = 63,594.25

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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.