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Finding the Fourth Proportional to 110,765.62, 152,858.16 and 63,017.94

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Solution

The fourth proportional to 110,765.62, 152,858.16 and 63,017.94 is: 86,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,765.62 : 152,858.16 = 63,017.94 : x
  2. Step 2: Convert to fraction form
    110,765.62/152,858.16 = 63,017.94/x
  3. Step 3: Cross multiply
    110,765.62x = 152,858.16 × 63,017.94
  4. Step 4: Simplify right side
    110,765.62x = 9,632,806,355.39
  5. Step 5: Solve for x
    x = 9,632,806,355.39/110,765.62
  6. Step 6: Final answer
    x = 86,965.67

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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.