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Finding the Fourth Proportional to 83,911.68, 115,795.44 and 46,185.84

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Solution

The fourth proportional to 83,911.68, 115,795.44 and 46,185.84 is: 63,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,911.68 : 115,795.44 = 46,185.84 : x
  2. Step 2: Convert to fraction form
    83,911.68/115,795.44 = 46,185.84/x
  3. Step 3: Cross multiply
    83,911.68x = 115,795.44 × 46,185.84
  4. Step 4: Simplify right side
    83,911.68x = 5,348,109,664.57
  5. Step 5: Solve for x
    x = 5,348,109,664.57/83,911.68
  6. Step 6: Final answer
    x = 63,734.98

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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.