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Finding the Fourth Proportional to 303,532.11, 455,281.16 and 93,169.44

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Solution

The fourth proportional to 303,532.11, 455,281.16 and 93,169.44 is: 139,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,532.11 : 455,281.16 = 93,169.44 : x
  2. Step 2: Convert to fraction form
    303,532.11/455,281.16 = 93,169.44/x
  3. Step 3: Cross multiply
    303,532.11x = 455,281.16 × 93,169.44
  4. Step 4: Simplify right side
    303,532.11x = 42,418,290,253.90
  5. Step 5: Solve for x
    x = 42,418,290,253.90/303,532.11
  6. Step 6: Final answer
    x = 139,748.94

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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.