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Finding the Fourth Proportional to 270,424.15, 405,636.91 and 110,500.08

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Solution

The fourth proportional to 270,424.15, 405,636.91 and 110,500.08 is: 165,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,424.15 : 405,636.91 = 110,500.08 : x
  2. Step 2: Convert to fraction form
    270,424.15/405,636.91 = 110,500.08/x
  3. Step 3: Cross multiply
    270,424.15x = 405,636.91 × 110,500.08
  4. Step 4: Simplify right side
    270,424.15x = 44,822,911,005.95
  5. Step 5: Solve for x
    x = 44,822,911,005.95/270,424.15
  6. Step 6: Final answer
    x = 165,750.40

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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.