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Finding the Fourth Proportional to 107,483.78, 161,290.48 and 37,412.30

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Solution

The fourth proportional to 107,483.78, 161,290.48 and 37,412.30 is: 56,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,483.78 : 161,290.48 = 37,412.30 : x
  2. Step 2: Convert to fraction form
    107,483.78/161,290.48 = 37,412.30/x
  3. Step 3: Cross multiply
    107,483.78x = 161,290.48 × 37,412.30
  4. Step 4: Simplify right side
    107,483.78x = 6,034,247,824.90
  5. Step 5: Solve for x
    x = 6,034,247,824.90/107,483.78
  6. Step 6: Final answer
    x = 56,141.01

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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.