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Finding the Fourth Proportional to 97,080.96, 145,656.48 and 33,910.40

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Solution

The fourth proportional to 97,080.96, 145,656.48 and 33,910.40 is: 50,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,080.96 : 145,656.48 = 33,910.40 : x
  2. Step 2: Convert to fraction form
    97,080.96/145,656.48 = 33,910.40/x
  3. Step 3: Cross multiply
    97,080.96x = 145,656.48 × 33,910.40
  4. Step 4: Simplify right side
    97,080.96x = 4,939,269,499.39
  5. Step 5: Solve for x
    x = 4,939,269,499.39/97,080.96
  6. Step 6: Final answer
    x = 50,877.84

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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.