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Finding the Fourth Proportional to 272,997.66, 409,497.46 and 83,457.26

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Solution

The fourth proportional to 272,997.66, 409,497.46 and 83,457.26 is: 125,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,997.66 : 409,497.46 = 83,457.26 : x
  2. Step 2: Convert to fraction form
    272,997.66/409,497.46 = 83,457.26/x
  3. Step 3: Cross multiply
    272,997.66x = 409,497.46 × 83,457.26
  4. Step 4: Simplify right side
    272,997.66x = 34,175,535,988.56
  5. Step 5: Solve for x
    x = 34,175,535,988.56/272,997.66
  6. Step 6: Final answer
    x = 125,186.19

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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.