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Finding the Fourth Proportional to 216,777.44, 299,134.54 and 124,872.41

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Solution

The fourth proportional to 216,777.44, 299,134.54 and 124,872.41 is: 172,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,777.44 : 299,134.54 = 124,872.41 : x
  2. Step 2: Convert to fraction form
    216,777.44/299,134.54 = 124,872.41/x
  3. Step 3: Cross multiply
    216,777.44x = 299,134.54 × 124,872.41
  4. Step 4: Simplify right side
    216,777.44x = 37,353,650,924.04
  5. Step 5: Solve for x
    x = 37,353,650,924.04/216,777.44
  6. Step 6: Final answer
    x = 172,313.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.