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Finding the Fourth Proportional to 183,662.82, 253,435.16 and 103,099.21

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Solution

The fourth proportional to 183,662.82, 253,435.16 and 103,099.21 is: 142,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,662.82 : 253,435.16 = 103,099.21 : x
  2. Step 2: Convert to fraction form
    183,662.82/253,435.16 = 103,099.21/x
  3. Step 3: Cross multiply
    183,662.82x = 253,435.16 × 103,099.21
  4. Step 4: Simplify right side
    183,662.82x = 26,128,964,406.38
  5. Step 5: Solve for x
    x = 26,128,964,406.38/183,662.82
  6. Step 6: Final answer
    x = 142,265.94

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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.