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Finding the Fourth Proportional to 114,658.74, 158,230.50 and 63,674.67

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Solution

The fourth proportional to 114,658.74, 158,230.50 and 63,674.67 is: 87,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,658.74 : 158,230.50 = 63,674.67 : x
  2. Step 2: Convert to fraction form
    114,658.74/158,230.50 = 63,674.67/x
  3. Step 3: Cross multiply
    114,658.74x = 158,230.50 × 63,674.67
  4. Step 4: Simplify right side
    114,658.74x = 10,075,274,871.44
  5. Step 5: Solve for x
    x = 10,075,274,871.44/114,658.74
  6. Step 6: Final answer
    x = 87,871.84

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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.