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Finding the Fourth Proportional to 101,597.35, 140,272.85 and 63,415.07

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Solution

The fourth proportional to 101,597.35, 140,272.85 and 63,415.07 is: 87,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,597.35 : 140,272.85 = 63,415.07 : x
  2. Step 2: Convert to fraction form
    101,597.35/140,272.85 = 63,415.07/x
  3. Step 3: Cross multiply
    101,597.35x = 140,272.85 × 63,415.07
  4. Step 4: Simplify right side
    101,597.35x = 8,895,412,601.85
  5. Step 5: Solve for x
    x = 8,895,412,601.85/101,597.35
  6. Step 6: Final answer
    x = 87,555.56

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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.