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Finding the Fourth Proportional to 245,963.70, 339,557.85 and 165,812.58

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Solution

The fourth proportional to 245,963.70, 339,557.85 and 165,812.58 is: 228,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,963.70 : 339,557.85 = 165,812.58 : x
  2. Step 2: Convert to fraction form
    245,963.70/339,557.85 = 165,812.58/x
  3. Step 3: Cross multiply
    245,963.70x = 339,557.85 × 165,812.58
  4. Step 4: Simplify right side
    245,963.70x = 56,302,963,167.75
  5. Step 5: Solve for x
    x = 56,302,963,167.75/245,963.70
  6. Step 6: Final answer
    x = 228,907.61

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1.5x scale

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.