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Finding the Fourth Proportional to 107,699.36, 161,622.86 and 37,578.69

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Solution

The fourth proportional to 107,699.36, 161,622.86 and 37,578.69 is: 56,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,699.36 : 161,622.86 = 37,578.69 : x
  2. Step 2: Convert to fraction form
    107,699.36/161,622.86 = 37,578.69/x
  3. Step 3: Cross multiply
    107,699.36x = 161,622.86 × 37,578.69
  4. Step 4: Simplify right side
    107,699.36x = 6,073,575,164.96
  5. Step 5: Solve for x
    x = 6,073,575,164.96/107,699.36
  6. Step 6: Final answer
    x = 56,393.79

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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.