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Finding the Fourth Proportional to 167,702.64, 251,553.96 and 43,043.64

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Solution

The fourth proportional to 167,702.64, 251,553.96 and 43,043.64 is: 64,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,702.64 : 251,553.96 = 43,043.64 : x
  2. Step 2: Convert to fraction form
    167,702.64/251,553.96 = 43,043.64/x
  3. Step 3: Cross multiply
    167,702.64x = 251,553.96 × 43,043.64
  4. Step 4: Simplify right side
    167,702.64x = 10,827,798,094.81
  5. Step 5: Solve for x
    x = 10,827,798,094.81/167,702.64
  6. Step 6: Final answer
    x = 64,565.46

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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.