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Finding the Fourth Proportional to 59,191.87, 81,671.33 and 35,313.88

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Solution

The fourth proportional to 59,191.87, 81,671.33 and 35,313.88 is: 48,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,191.87 : 81,671.33 = 35,313.88 : x
  2. Step 2: Convert to fraction form
    59,191.87/81,671.33 = 35,313.88/x
  3. Step 3: Cross multiply
    59,191.87x = 81,671.33 × 35,313.88
  4. Step 4: Simplify right side
    59,191.87x = 2,884,130,962.13
  5. Step 5: Solve for x
    x = 2,884,130,962.13/59,191.87
  6. Step 6: Final answer
    x = 48,725.12

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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.