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Finding the Fourth Proportional to 272,104.16, 408,160.35 and 103,633.81

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Solution

The fourth proportional to 272,104.16, 408,160.35 and 103,633.81 is: 155,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,104.16 : 408,160.35 = 103,633.81 : x
  2. Step 2: Convert to fraction form
    272,104.16/408,160.35 = 103,633.81/x
  3. Step 3: Cross multiply
    272,104.16x = 408,160.35 × 103,633.81
  4. Step 4: Simplify right side
    272,104.16x = 42,299,211,141.03
  5. Step 5: Solve for x
    x = 42,299,211,141.03/272,104.16
  6. Step 6: Final answer
    x = 155,452.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.