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Finding the Fourth Proportional to 270,562.72, 373,291.92 and 163,165.60

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Solution

The fourth proportional to 270,562.72, 373,291.92 and 163,165.60 is: 225,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,562.72 : 373,291.92 = 163,165.60 : x
  2. Step 2: Convert to fraction form
    270,562.72/373,291.92 = 163,165.60/x
  3. Step 3: Cross multiply
    270,562.72x = 373,291.92 × 163,165.60
  4. Step 4: Simplify right side
    270,562.72x = 60,908,400,101.95
  5. Step 5: Solve for x
    x = 60,908,400,101.95/270,562.72
  6. Step 6: Final answer
    x = 225,117.49

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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.