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Finding the Fourth Proportional to 108,813.72, 150,167.62 and 60,415.64

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Solution

The fourth proportional to 108,813.72, 150,167.62 and 60,415.64 is: 83,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,813.72 : 150,167.62 = 60,415.64 : x
  2. Step 2: Convert to fraction form
    108,813.72/150,167.62 = 60,415.64/x
  3. Step 3: Cross multiply
    108,813.72x = 150,167.62 × 60,415.64
  4. Step 4: Simplify right side
    108,813.72x = 9,072,472,942.92
  5. Step 5: Solve for x
    x = 9,072,472,942.92/108,813.72
  6. Step 6: Final answer
    x = 83,376.19

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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.