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Finding the Fourth Proportional to 270,569.72, 373,301.58 and 163,172.60

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Solution

The fourth proportional to 270,569.72, 373,301.58 and 163,172.60 is: 225,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,569.72 : 373,301.58 = 163,172.60 : x
  2. Step 2: Convert to fraction form
    270,569.72/373,301.58 = 163,172.60/x
  3. Step 3: Cross multiply
    270,569.72x = 373,301.58 × 163,172.60
  4. Step 4: Simplify right side
    270,569.72x = 60,912,589,392.71
  5. Step 5: Solve for x
    x = 60,912,589,392.71/270,569.72
  6. Step 6: Final answer
    x = 225,127.15

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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.