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Finding the Fourth Proportional to 115,658.03, 159,600.67 and 64,674.96

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Solution

The fourth proportional to 115,658.03, 159,600.67 and 64,674.96 is: 89,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,658.03 : 159,600.67 = 64,674.96 : x
  2. Step 2: Convert to fraction form
    115,658.03/159,600.67 = 64,674.96/x
  3. Step 3: Cross multiply
    115,658.03x = 159,600.67 × 64,674.96
  4. Step 4: Simplify right side
    115,658.03x = 10,322,166,948.22
  5. Step 5: Solve for x
    x = 10,322,166,948.22/115,658.03
  6. Step 6: Final answer
    x = 89,247.30

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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.