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Finding the Fourth Proportional to 174,028.30, 260,696.85 and 103,698.70

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Solution

The fourth proportional to 174,028.30, 260,696.85 and 103,698.70 is: 155,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,028.30 : 260,696.85 = 103,698.70 : x
  2. Step 2: Convert to fraction form
    174,028.30/260,696.85 = 103,698.70/x
  3. Step 3: Cross multiply
    174,028.30x = 260,696.85 × 103,698.70
  4. Step 4: Simplify right side
    174,028.30x = 27,033,924,439.10
  5. Step 5: Solve for x
    x = 27,033,924,439.10/174,028.30
  6. Step 6: Final answer
    x = 155,342.12

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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.