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Finding the Fourth Proportional to 104,040.92, 155,995.80 and 57,326.60

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Solution

The fourth proportional to 104,040.92, 155,995.80 and 57,326.60 is: 85,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,040.92 : 155,995.80 = 57,326.60 : x
  2. Step 2: Convert to fraction form
    104,040.92/155,995.80 = 57,326.60/x
  3. Step 3: Cross multiply
    104,040.92x = 155,995.80 × 57,326.60
  4. Step 4: Simplify right side
    104,040.92x = 8,942,708,828.28
  5. Step 5: Solve for x
    x = 8,942,708,828.28/104,040.92
  6. Step 6: Final answer
    x = 85,953.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.