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Finding the Fourth Proportional to 103,634.75, 143,015.96 and 58,922.75

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Solution

The fourth proportional to 103,634.75, 143,015.96 and 58,922.75 is: 81,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.75 : 143,015.96 = 58,922.75 : x
  2. Step 2: Convert to fraction form
    103,634.75/143,015.96 = 58,922.75/x
  3. Step 3: Cross multiply
    103,634.75x = 143,015.96 × 58,922.75
  4. Step 4: Simplify right side
    103,634.75x = 8,426,893,657.09
  5. Step 5: Solve for x
    x = 8,426,893,657.09/103,634.75
  6. Step 6: Final answer
    x = 81,313.40

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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.