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Finding the Fourth Proportional to 115,651.00, 173,207.06 and 112,458.67

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Solution

The fourth proportional to 115,651.00, 173,207.06 and 112,458.67 is: 168,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,651.00 : 173,207.06 = 112,458.67 : x
  2. Step 2: Convert to fraction form
    115,651.00/173,207.06 = 112,458.67/x
  3. Step 3: Cross multiply
    115,651.00x = 173,207.06 × 112,458.67
  4. Step 4: Simplify right side
    115,651.00x = 19,478,635,028.62
  5. Step 5: Solve for x
    x = 19,478,635,028.62/115,651.00
  6. Step 6: Final answer
    x = 168,426.00

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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.