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Finding the Fourth Proportional to 110,042.34, 165,074.45 and 39,927.12

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Solution

The fourth proportional to 110,042.34, 165,074.45 and 39,927.12 is: 59,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,042.34 : 165,074.45 = 39,927.12 : x
  2. Step 2: Convert to fraction form
    110,042.34/165,074.45 = 39,927.12/x
  3. Step 3: Cross multiply
    110,042.34x = 165,074.45 × 39,927.12
  4. Step 4: Simplify right side
    110,042.34x = 6,590,947,374.08
  5. Step 5: Solve for x
    x = 6,590,947,374.08/110,042.34
  6. Step 6: Final answer
    x = 59,894.65

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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.