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Finding the Fourth Proportional to 116,651.96, 174,697.63 and 66,580.25

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Solution

The fourth proportional to 116,651.96, 174,697.63 and 66,580.25 is: 99,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,651.96 : 174,697.63 = 66,580.25 : x
  2. Step 2: Convert to fraction form
    116,651.96/174,697.63 = 66,580.25/x
  3. Step 3: Cross multiply
    116,651.96x = 174,697.63 × 66,580.25
  4. Step 4: Simplify right side
    116,651.96x = 11,631,411,879.81
  5. Step 5: Solve for x
    x = 11,631,411,879.81/116,651.96
  6. Step 6: Final answer
    x = 99,710.39

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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.