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Finding the Fourth Proportional to 243,399.60, 364,924.32 and 110,211.30

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Solution

The fourth proportional to 243,399.60, 364,924.32 and 110,211.30 is: 165,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,399.60 : 364,924.32 = 110,211.30 : x
  2. Step 2: Convert to fraction form
    243,399.60/364,924.32 = 110,211.30/x
  3. Step 3: Cross multiply
    243,399.60x = 364,924.32 × 110,211.30
  4. Step 4: Simplify right side
    243,399.60x = 40,218,783,708.82
  5. Step 5: Solve for x
    x = 40,218,783,708.82/243,399.60
  6. Step 6: Final answer
    x = 165,237.67

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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.