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Finding the Fourth Proportional to 117,417.72, 175,893.30 and 64,696.44

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Solution

The fourth proportional to 117,417.72, 175,893.30 and 64,696.44 is: 96,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,417.72 : 175,893.30 = 64,696.44 : x
  2. Step 2: Convert to fraction form
    117,417.72/175,893.30 = 64,696.44/x
  3. Step 3: Cross multiply
    117,417.72x = 175,893.30 × 64,696.44
  4. Step 4: Simplify right side
    117,417.72x = 11,379,670,329.85
  5. Step 5: Solve for x
    x = 11,379,670,329.85/117,417.72
  6. Step 6: Final answer
    x = 96,916.12

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1.5x scale

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.