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Finding the Fourth Proportional to 123,959.08, 171,025.54 and 70,235.56

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Solution

The fourth proportional to 123,959.08, 171,025.54 and 70,235.56 is: 96,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,959.08 : 171,025.54 = 70,235.56 : x
  2. Step 2: Convert to fraction form
    123,959.08/171,025.54 = 70,235.56/x
  3. Step 3: Cross multiply
    123,959.08x = 171,025.54 × 70,235.56
  4. Step 4: Simplify right side
    123,959.08x = 12,012,074,576.20
  5. Step 5: Solve for x
    x = 12,012,074,576.20/123,959.08
  6. Step 6: Final answer
    x = 96,903.55

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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.