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Finding the Fourth Proportional to 93,265.82, 128,706.42 and 50,824.35

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Solution

The fourth proportional to 93,265.82, 128,706.42 and 50,824.35 is: 70,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,265.82 : 128,706.42 = 50,824.35 : x
  2. Step 2: Convert to fraction form
    93,265.82/128,706.42 = 50,824.35/x
  3. Step 3: Cross multiply
    93,265.82x = 128,706.42 × 50,824.35
  4. Step 4: Simplify right side
    93,265.82x = 6,541,420,137.33
  5. Step 5: Solve for x
    x = 6,541,420,137.33/93,265.82
  6. Step 6: Final answer
    x = 70,137.38

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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.