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Finding the Fourth Proportional to 93,372.76, 128,853.60 and 50,930.38

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Solution

The fourth proportional to 93,372.76, 128,853.60 and 50,930.38 is: 70,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,372.76 : 128,853.60 = 50,930.38 : x
  2. Step 2: Convert to fraction form
    93,372.76/128,853.60 = 50,930.38/x
  3. Step 3: Cross multiply
    93,372.76x = 128,853.60 × 50,930.38
  4. Step 4: Simplify right side
    93,372.76x = 6,562,562,812.37
  5. Step 5: Solve for x
    x = 6,562,562,812.37/93,372.76
  6. Step 6: Final answer
    x = 70,283.48

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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.