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Finding the Fourth Proportional to 243,688.46, 365,537.70 and 75,208.89

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Solution

The fourth proportional to 243,688.46, 365,537.70 and 75,208.89 is: 112,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,688.46 : 365,537.70 = 75,208.89 : x
  2. Step 2: Convert to fraction form
    243,688.46/365,537.70 = 75,208.89/x
  3. Step 3: Cross multiply
    243,688.46x = 365,537.70 × 75,208.89
  4. Step 4: Simplify right side
    243,688.46x = 27,491,682,842.46
  5. Step 5: Solve for x
    x = 27,491,682,842.46/243,688.46
  6. Step 6: Final answer
    x = 112,814.87

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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.