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Finding the Fourth Proportional to 118,911.75, 164,002.93 and 104,541.04

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Solution

The fourth proportional to 118,911.75, 164,002.93 and 104,541.04 is: 144,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,911.75 : 164,002.93 = 104,541.04 : x
  2. Step 2: Convert to fraction form
    118,911.75/164,002.93 = 104,541.04/x
  3. Step 3: Cross multiply
    118,911.75x = 164,002.93 × 104,541.04
  4. Step 4: Simplify right side
    118,911.75x = 17,145,036,865.25
  5. Step 5: Solve for x
    x = 17,145,036,865.25/118,911.75
  6. Step 6: Final answer
    x = 144,182.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.