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Finding the Fourth Proportional to 268,564.28, 370,621.22 and 146,057.79

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Solution

The fourth proportional to 268,564.28, 370,621.22 and 146,057.79 is: 201,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,564.28 : 370,621.22 = 146,057.79 : x
  2. Step 2: Convert to fraction form
    268,564.28/370,621.22 = 146,057.79/x
  3. Step 3: Cross multiply
    268,564.28x = 370,621.22 × 146,057.79
  4. Step 4: Simplify right side
    268,564.28x = 54,132,115,590.01
  5. Step 5: Solve for x
    x = 54,132,115,590.01/268,564.28
  6. Step 6: Final answer
    x = 201,561.12

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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.