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Finding the Fourth Proportional to 171,696.60, 257,544.90 and 152,669.70

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Solution

The fourth proportional to 171,696.60, 257,544.90 and 152,669.70 is: 229,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,696.60 : 257,544.90 = 152,669.70 : x
  2. Step 2: Convert to fraction form
    171,696.60/257,544.90 = 152,669.70/x
  3. Step 3: Cross multiply
    171,696.60x = 257,544.90 × 152,669.70
  4. Step 4: Simplify right side
    171,696.60x = 39,319,302,619.53
  5. Step 5: Solve for x
    x = 39,319,302,619.53/171,696.60
  6. Step 6: Final answer
    x = 229,004.55

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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.