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Finding the Fourth Proportional to 101,698.98, 140,315.58 and 58,675.07

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Solution

The fourth proportional to 101,698.98, 140,315.58 and 58,675.07 is: 80,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,698.98 : 140,315.58 = 58,675.07 : x
  2. Step 2: Convert to fraction form
    101,698.98/140,315.58 = 58,675.07/x
  3. Step 3: Cross multiply
    101,698.98x = 140,315.58 × 58,675.07
  4. Step 4: Simplify right side
    101,698.98x = 8,233,025,777.01
  5. Step 5: Solve for x
    x = 8,233,025,777.01/101,698.98
  6. Step 6: Final answer
    x = 80,954.85

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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.