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Finding the Fourth Proportional to 365,970.69, 548,899.92 and 99,752.58

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Solution

The fourth proportional to 365,970.69, 548,899.92 and 99,752.58 is: 149,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,970.69 : 548,899.92 = 99,752.58 : x
  2. Step 2: Convert to fraction form
    365,970.69/548,899.92 = 99,752.58/x
  3. Step 3: Cross multiply
    365,970.69x = 548,899.92 × 99,752.58
  4. Step 4: Simplify right side
    365,970.69x = 54,754,183,181.79
  5. Step 5: Solve for x
    x = 54,754,183,181.79/365,970.69
  6. Step 6: Final answer
    x = 149,613.57

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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.