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Finding the Fourth Proportional to 110,935.60, 166,403.40 and 97,813.60

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Solution

The fourth proportional to 110,935.60, 166,403.40 and 97,813.60 is: 146,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,935.60 : 166,403.40 = 97,813.60 : x
  2. Step 2: Convert to fraction form
    110,935.60/166,403.40 = 97,813.60/x
  3. Step 3: Cross multiply
    110,935.60x = 166,403.40 × 97,813.60
  4. Step 4: Simplify right side
    110,935.60x = 16,276,515,606.24
  5. Step 5: Solve for x
    x = 16,276,515,606.24/110,935.60
  6. Step 6: Final answer
    x = 146,720.40

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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.