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Finding the Fourth Proportional to 116,551.22, 174,826.82 and 77,099.10

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Solution

The fourth proportional to 116,551.22, 174,826.82 and 77,099.10 is: 115,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,551.22 : 174,826.82 = 77,099.10 : x
  2. Step 2: Convert to fraction form
    116,551.22/174,826.82 = 77,099.10/x
  3. Step 3: Cross multiply
    116,551.22x = 174,826.82 × 77,099.10
  4. Step 4: Simplify right side
    116,551.22x = 13,478,990,477.86
  5. Step 5: Solve for x
    x = 13,478,990,477.86/116,551.22
  6. Step 6: Final answer
    x = 115,648.64

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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.