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Finding the Fourth Proportional to 93,161.71, 128,556.67 and 52,876.29

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Solution

The fourth proportional to 93,161.71, 128,556.67 and 52,876.29 is: 72,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,161.71 : 128,556.67 = 52,876.29 : x
  2. Step 2: Convert to fraction form
    93,161.71/128,556.67 = 52,876.29/x
  3. Step 3: Cross multiply
    93,161.71x = 128,556.67 × 52,876.29
  4. Step 4: Simplify right side
    93,161.71x = 6,797,599,499.97
  5. Step 5: Solve for x
    x = 6,797,599,499.97/93,161.71
  6. Step 6: Final answer
    x = 72,965.60

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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.