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Finding the Fourth Proportional to 110,670.10, 165,964.47 and 39,573.47

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Solution

The fourth proportional to 110,670.10, 165,964.47 and 39,573.47 is: 59,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,670.10 : 165,964.47 = 39,573.47 : x
  2. Step 2: Convert to fraction form
    110,670.10/165,964.47 = 39,573.47/x
  3. Step 3: Cross multiply
    110,670.10x = 165,964.47 × 39,573.47
  4. Step 4: Simplify right side
    110,670.10x = 6,567,789,210.40
  5. Step 5: Solve for x
    x = 6,567,789,210.40/110,670.10
  6. Step 6: Final answer
    x = 59,345.65

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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.