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Finding the Fourth Proportional to 216,773.28, 299,164.83 and 124,921.14

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Solution

The fourth proportional to 216,773.28, 299,164.83 and 124,921.14 is: 172,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,773.28 : 299,164.83 = 124,921.14 : x
  2. Step 2: Convert to fraction form
    216,773.28/299,164.83 = 124,921.14/x
  3. Step 3: Cross multiply
    216,773.28x = 299,164.83 × 124,921.14
  4. Step 4: Simplify right side
    216,773.28x = 37,372,011,611.51
  5. Step 5: Solve for x
    x = 37,372,011,611.51/216,773.28
  6. Step 6: Final answer
    x = 172,401.38

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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.