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Finding the Fourth Proportional to 243,266.72, 365,015.60 and 168,501.92

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Solution

The fourth proportional to 243,266.72, 365,015.60 and 168,501.92 is: 252,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,266.72 : 365,015.60 = 168,501.92 : x
  2. Step 2: Convert to fraction form
    243,266.72/365,015.60 = 168,501.92/x
  3. Step 3: Cross multiply
    243,266.72x = 365,015.60 × 168,501.92
  4. Step 4: Simplify right side
    243,266.72x = 61,505,829,429.95
  5. Step 5: Solve for x
    x = 61,505,829,429.95/243,266.72
  6. Step 6: Final answer
    x = 252,832.90

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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.