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Finding the Fourth Proportional to 93,555, 129,107.12 and 51,114.44

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Solution

The fourth proportional to 93,555, 129,107.12 and 51,114.44 is: 70,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,555 : 129,107.12 = 51,114.44 : x
  2. Step 2: Convert to fraction form
    93,555/129,107.12 = 51,114.44/x
  3. Step 3: Cross multiply
    93,555x = 129,107.12 × 51,114.44
  4. Step 4: Simplify right side
    93,555x = 6,599,238,206.01
  5. Step 5: Solve for x
    x = 6,599,238,206.01/93,555
  6. Step 6: Final answer
    x = 70,538.59

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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.