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Finding the Fourth Proportional to 107,798.76, 161,745.18 and 37,728.36

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Solution

The fourth proportional to 107,798.76, 161,745.18 and 37,728.36 is: 56,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,798.76 : 161,745.18 = 37,728.36 : x
  2. Step 2: Convert to fraction form
    107,798.76/161,745.18 = 37,728.36/x
  3. Step 3: Cross multiply
    107,798.76x = 161,745.18 × 37,728.36
  4. Step 4: Simplify right side
    107,798.76x = 6,102,380,379.30
  5. Step 5: Solve for x
    x = 6,102,380,379.30/107,798.76
  6. Step 6: Final answer
    x = 56,609.00

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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.