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Finding the Fourth Proportional to 110,060.60, 165,090.90 and 83,816.60

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Solution

The fourth proportional to 110,060.60, 165,090.90 and 83,816.60 is: 125,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,060.60 : 165,090.90 = 83,816.60 : x
  2. Step 2: Convert to fraction form
    110,060.60/165,090.90 = 83,816.60/x
  3. Step 3: Cross multiply
    110,060.60x = 165,090.90 × 83,816.60
  4. Step 4: Simplify right side
    110,060.60x = 13,837,357,928.94
  5. Step 5: Solve for x
    x = 13,837,357,928.94/110,060.60
  6. Step 6: Final answer
    x = 125,724.90

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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.