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Finding the Fourth Proportional to 118,000.80, 177,066 and 55,669.68

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Solution

The fourth proportional to 118,000.80, 177,066 and 55,669.68 is: 83,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,000.80 : 177,066 = 55,669.68 : x
  2. Step 2: Convert to fraction form
    118,000.80/177,066 = 55,669.68/x
  3. Step 3: Cross multiply
    118,000.80x = 177,066 × 55,669.68
  4. Step 4: Simplify right side
    118,000.80x = 9,857,207,558.88
  5. Step 5: Solve for x
    x = 9,857,207,558.88/118,000.80
  6. Step 6: Final answer
    x = 83,535.09

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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.