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Finding the Fourth Proportional to 272,959.46, 409,477.46 and 95,426.09

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Solution

The fourth proportional to 272,959.46, 409,477.46 and 95,426.09 is: 143,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,959.46 : 409,477.46 = 95,426.09 : x
  2. Step 2: Convert to fraction form
    272,959.46/409,477.46 = 95,426.09/x
  3. Step 3: Cross multiply
    272,959.46x = 409,477.46 × 95,426.09
  4. Step 4: Simplify right side
    272,959.46x = 39,074,830,426.41
  5. Step 5: Solve for x
    x = 39,074,830,426.41/272,959.46
  6. Step 6: Final answer
    x = 143,152.51

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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.