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Finding the Fourth Proportional to 83,900.97, 115,783.34 and 46,175.22

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Solution

The fourth proportional to 83,900.97, 115,783.34 and 46,175.22 is: 63,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,900.97 : 115,783.34 = 46,175.22 : x
  2. Step 2: Convert to fraction form
    83,900.97/115,783.34 = 46,175.22/x
  3. Step 3: Cross multiply
    83,900.97x = 115,783.34 × 46,175.22
  4. Step 4: Simplify right side
    83,900.97x = 5,346,320,965.96
  5. Step 5: Solve for x
    x = 5,346,320,965.96/83,900.97
  6. Step 6: Final answer
    x = 63,721.80

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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.