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Finding the Fourth Proportional to 110,445.52, 165,419.04 and 51,156.64

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Solution

The fourth proportional to 110,445.52, 165,419.04 and 51,156.64 is: 76,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,445.52 : 165,419.04 = 51,156.64 : x
  2. Step 2: Convert to fraction form
    110,445.52/165,419.04 = 51,156.64/x
  3. Step 3: Cross multiply
    110,445.52x = 165,419.04 × 51,156.64
  4. Step 4: Simplify right side
    110,445.52x = 8,462,282,278.43
  5. Step 5: Solve for x
    x = 8,462,282,278.43/110,445.52
  6. Step 6: Final answer
    x = 76,619.52

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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.