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Finding the Fourth Proportional to 116,498.66, 174,485.45 and 81,594.14

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Solution

The fourth proportional to 116,498.66, 174,485.45 and 81,594.14 is: 122,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,498.66 : 174,485.45 = 81,594.14 : x
  2. Step 2: Convert to fraction form
    116,498.66/174,485.45 = 81,594.14/x
  3. Step 3: Cross multiply
    116,498.66x = 174,485.45 × 81,594.14
  4. Step 4: Simplify right side
    116,498.66x = 14,236,989,566.82
  5. Step 5: Solve for x
    x = 14,236,989,566.82/116,498.66
  6. Step 6: Final answer
    x = 122,207.33

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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.