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Finding the Fourth Proportional to 273,039.48, 409,530.12 and 95,549.88

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Solution

The fourth proportional to 273,039.48, 409,530.12 and 95,549.88 is: 143,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,039.48 : 409,530.12 = 95,549.88 : x
  2. Step 2: Convert to fraction form
    273,039.48/409,530.12 = 95,549.88/x
  3. Step 3: Cross multiply
    273,039.48x = 409,530.12 × 95,549.88
  4. Step 4: Simplify right side
    273,039.48x = 39,130,553,822.39
  5. Step 5: Solve for x
    x = 39,130,553,822.39/273,039.48
  6. Step 6: Final answer
    x = 143,314.64

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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.