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Finding the Fourth Proportional to 93,980.92, 129,692.46 and 53,694.37

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Solution

The fourth proportional to 93,980.92, 129,692.46 and 53,694.37 is: 74,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,980.92 : 129,692.46 = 53,694.37 : x
  2. Step 2: Convert to fraction form
    93,980.92/129,692.46 = 53,694.37/x
  3. Step 3: Cross multiply
    93,980.92x = 129,692.46 × 53,694.37
  4. Step 4: Simplify right side
    93,980.92x = 6,963,754,933.45
  5. Step 5: Solve for x
    x = 6,963,754,933.45/93,980.92
  6. Step 6: Final answer
    x = 74,097.54

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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.