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Finding the Fourth Proportional to 167,369.64, 251,054.30 and 42,710.64

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Solution

The fourth proportional to 167,369.64, 251,054.30 and 42,710.64 is: 64,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,369.64 : 251,054.30 = 42,710.64 : x
  2. Step 2: Convert to fraction form
    167,369.64/251,054.30 = 42,710.64/x
  3. Step 3: Cross multiply
    167,369.64x = 251,054.30 × 42,710.64
  4. Step 4: Simplify right side
    167,369.64x = 10,722,689,827.75
  5. Step 5: Solve for x
    x = 10,722,689,827.75/167,369.64
  6. Step 6: Final answer
    x = 64,065.92

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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.