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Finding the Fourth Proportional to 115,698.96, 173,350.32 and 63,145.32

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Solution

The fourth proportional to 115,698.96, 173,350.32 and 63,145.32 is: 94,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,698.96 : 173,350.32 = 63,145.32 : x
  2. Step 2: Convert to fraction form
    115,698.96/173,350.32 = 63,145.32/x
  3. Step 3: Cross multiply
    115,698.96x = 173,350.32 × 63,145.32
  4. Step 4: Simplify right side
    115,698.96x = 10,946,261,428.50
  5. Step 5: Solve for x
    x = 10,946,261,428.50/115,698.96
  6. Step 6: Final answer
    x = 94,609.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.