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Finding the Fourth Proportional to 93,800.57, 129,467.57 and 57,969

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Solution

The fourth proportional to 93,800.57, 129,467.57 and 57,969 is: 80,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,800.57 : 129,467.57 = 57,969 : x
  2. Step 2: Convert to fraction form
    93,800.57/129,467.57 = 57,969/x
  3. Step 3: Cross multiply
    93,800.57x = 129,467.57 × 57,969
  4. Step 4: Simplify right side
    93,800.57x = 7,505,105,275.49
  5. Step 5: Solve for x
    x = 7,505,105,275.49/93,800.57
  6. Step 6: Final answer
    x = 80,011.30

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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.