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Finding the Fourth Proportional to 118,775.99, 178,169.17 and 34,534.29

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Solution

The fourth proportional to 118,775.99, 178,169.17 and 34,534.29 is: 51,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,775.99 : 178,169.17 = 34,534.29 : x
  2. Step 2: Convert to fraction form
    118,775.99/178,169.17 = 34,534.29/x
  3. Step 3: Cross multiply
    118,775.99x = 178,169.17 × 34,534.29
  4. Step 4: Simplify right side
    118,775.99x = 6,152,945,785.84
  5. Step 5: Solve for x
    x = 6,152,945,785.84/118,775.99
  6. Step 6: Final answer
    x = 51,802.94

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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.