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Finding the Fourth Proportional to 243,553.60, 365,944.80 and 154,849.60

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Solution

The fourth proportional to 243,553.60, 365,944.80 and 154,849.60 is: 232,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,553.60 : 365,944.80 = 154,849.60 : x
  2. Step 2: Convert to fraction form
    243,553.60/365,944.80 = 154,849.60/x
  3. Step 3: Cross multiply
    243,553.60x = 365,944.80 × 154,849.60
  4. Step 4: Simplify right side
    243,553.60x = 56,666,405,902.08
  5. Step 5: Solve for x
    x = 56,666,405,902.08/243,553.60
  6. Step 6: Final answer
    x = 232,665.03

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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.