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Finding the Fourth Proportional to 83,842.76, 115,700.60 and 46,117.01

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Solution

The fourth proportional to 83,842.76, 115,700.60 and 46,117.01 is: 63,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,842.76 : 115,700.60 = 46,117.01 : x
  2. Step 2: Convert to fraction form
    83,842.76/115,700.60 = 46,117.01/x
  3. Step 3: Cross multiply
    83,842.76x = 115,700.60 × 46,117.01
  4. Step 4: Simplify right side
    83,842.76x = 5,335,765,496.62
  5. Step 5: Solve for x
    x = 5,335,765,496.62/83,842.76
  6. Step 6: Final answer
    x = 63,640.15

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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.