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Finding the Fourth Proportional to 110,444.52, 165,417.54 and 51,155.64

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Solution

The fourth proportional to 110,444.52, 165,417.54 and 51,155.64 is: 76,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,444.52 : 165,417.54 = 51,155.64 : x
  2. Step 2: Convert to fraction form
    110,444.52/165,417.54 = 51,155.64/x
  3. Step 3: Cross multiply
    110,444.52x = 165,417.54 × 51,155.64
  4. Step 4: Simplify right side
    110,444.52x = 8,462,040,125.93
  5. Step 5: Solve for x
    x = 8,462,040,125.93/110,444.52
  6. Step 6: Final answer
    x = 76,618.02

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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.