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Finding the Fourth Proportional to 107,580.72, 161,371.80 and 37,459.80

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Solution

The fourth proportional to 107,580.72, 161,371.80 and 37,459.80 is: 56,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,580.72 : 161,371.80 = 37,459.80 : x
  2. Step 2: Convert to fraction form
    107,580.72/161,371.80 = 37,459.80/x
  3. Step 3: Cross multiply
    107,580.72x = 161,371.80 × 37,459.80
  4. Step 4: Simplify right side
    107,580.72x = 6,044,955,353.64
  5. Step 5: Solve for x
    x = 6,044,955,353.64/107,580.72
  6. Step 6: Final answer
    x = 56,189.95

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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.