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Finding the Fourth Proportional to 173,696.40, 260,544.60 and 49,037.40

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Solution

The fourth proportional to 173,696.40, 260,544.60 and 49,037.40 is: 73,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,696.40 : 260,544.60 = 49,037.40 : x
  2. Step 2: Convert to fraction form
    173,696.40/260,544.60 = 49,037.40/x
  3. Step 3: Cross multiply
    173,696.40x = 260,544.60 × 49,037.40
  4. Step 4: Simplify right side
    173,696.40x = 12,776,429,768.04
  5. Step 5: Solve for x
    x = 12,776,429,768.04/173,696.40
  6. Step 6: Final answer
    x = 73,556.10

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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.