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Finding the Fourth Proportional to 243,341.75, 365,054.67 and 108,453.76

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Solution

The fourth proportional to 243,341.75, 365,054.67 and 108,453.76 is: 162,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,341.75 : 365,054.67 = 108,453.76 : x
  2. Step 2: Convert to fraction form
    243,341.75/365,054.67 = 108,453.76/x
  3. Step 3: Cross multiply
    243,341.75x = 365,054.67 × 108,453.76
  4. Step 4: Simplify right side
    243,341.75x = 39,591,550,654.42
  5. Step 5: Solve for x
    x = 39,591,550,654.42/243,341.75
  6. Step 6: Final answer
    x = 162,699.37

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1.5x scale

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.