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Finding the Fourth Proportional to 243,636.36, 365,409.88 and 110,484.60

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Solution

The fourth proportional to 243,636.36, 365,409.88 and 110,484.60 is: 165,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,636.36 : 365,409.88 = 110,484.60 : x
  2. Step 2: Convert to fraction form
    243,636.36/365,409.88 = 110,484.60/x
  3. Step 3: Cross multiply
    243,636.36x = 365,409.88 × 110,484.60
  4. Step 4: Simplify right side
    243,636.36x = 40,372,164,427.85
  5. Step 5: Solve for x
    x = 40,372,164,427.85/243,636.36
  6. Step 6: Final answer
    x = 165,706.65

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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.