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Finding the Fourth Proportional to 243,703.44, 365,562.72 and 66,209.76

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Solution

The fourth proportional to 243,703.44, 365,562.72 and 66,209.76 is: 99,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,703.44 : 365,562.72 = 66,209.76 : x
  2. Step 2: Convert to fraction form
    243,703.44/365,562.72 = 66,209.76/x
  3. Step 3: Cross multiply
    243,703.44x = 365,562.72 × 66,209.76
  4. Step 4: Simplify right side
    243,703.44x = 24,203,819,956.15
  5. Step 5: Solve for x
    x = 24,203,819,956.15/243,703.44
  6. Step 6: Final answer
    x = 99,316.69

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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.