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Finding the Fourth Proportional to 103,999.67, 143,507.19 and 58,675.00

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Solution

The fourth proportional to 103,999.67, 143,507.19 and 58,675.00 is: 80,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,999.67 : 143,507.19 = 58,675.00 : x
  2. Step 2: Convert to fraction form
    103,999.67/143,507.19 = 58,675.00/x
  3. Step 3: Cross multiply
    103,999.67x = 143,507.19 × 58,675.00
  4. Step 4: Simplify right side
    103,999.67x = 8,420,284,014.48
  5. Step 5: Solve for x
    x = 8,420,284,014.48/103,999.67
  6. Step 6: Final answer
    x = 80,964.53

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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.