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Finding the Fourth Proportional to 272,777.37, 409,166.10 and 83,238.74

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Solution

The fourth proportional to 272,777.37, 409,166.10 and 83,238.74 is: 124,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,777.37 : 409,166.10 = 83,238.74 : x
  2. Step 2: Convert to fraction form
    272,777.37/409,166.10 = 83,238.74/x
  3. Step 3: Cross multiply
    272,777.37x = 409,166.10 × 83,238.74
  4. Step 4: Simplify right side
    272,777.37x = 34,058,470,103.26
  5. Step 5: Solve for x
    x = 34,058,470,103.26/272,777.37
  6. Step 6: Final answer
    x = 124,858.12

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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.