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Finding the Fourth Proportional to 241,702.15, 362,425.64 and 81,723.10

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Solution

The fourth proportional to 241,702.15, 362,425.64 and 81,723.10 is: 122,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,702.15 : 362,425.64 = 81,723.10 : x
  2. Step 2: Convert to fraction form
    241,702.15/362,425.64 = 81,723.10/x
  3. Step 3: Cross multiply
    241,702.15x = 362,425.64 × 81,723.10
  4. Step 4: Simplify right side
    241,702.15x = 29,618,545,505.60
  5. Step 5: Solve for x
    x = 29,618,545,505.60/241,702.15
  6. Step 6: Final answer
    x = 122,541.51

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Why These Related Problems?

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