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Finding the Fourth Proportional to 118,404, 177,693.66 and 56,074.68

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Solution

The fourth proportional to 118,404, 177,693.66 and 56,074.68 is: 84,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,404 : 177,693.66 = 56,074.68 : x
  2. Step 2: Convert to fraction form
    118,404/177,693.66 = 56,074.68/x
  3. Step 3: Cross multiply
    118,404x = 177,693.66 × 56,074.68
  4. Step 4: Simplify right side
    118,404x = 9,964,115,122.53
  5. Step 5: Solve for x
    x = 9,964,115,122.53/118,404
  6. Step 6: Final answer
    x = 84,153.53

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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.