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Finding the Fourth Proportional to 93,367.69, 128,851.97 and 52,544.57

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Solution

The fourth proportional to 93,367.69, 128,851.97 and 52,544.57 is: 72,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,367.69 : 128,851.97 = 52,544.57 : x
  2. Step 2: Convert to fraction form
    93,367.69/128,851.97 = 52,544.57/x
  3. Step 3: Cross multiply
    93,367.69x = 128,851.97 × 52,544.57
  4. Step 4: Simplify right side
    93,367.69x = 6,770,470,450.32
  5. Step 5: Solve for x
    x = 6,770,470,450.32/93,367.69
  6. Step 6: Final answer
    x = 72,514.06

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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.