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Finding the Fourth Proportional to 167,402.40, 251,079.30 and 49,061.40

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Solution

The fourth proportional to 167,402.40, 251,079.30 and 49,061.40 is: 73,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,402.40 : 251,079.30 = 49,061.40 : x
  2. Step 2: Convert to fraction form
    167,402.40/251,079.30 = 49,061.40/x
  3. Step 3: Cross multiply
    167,402.40x = 251,079.30 × 49,061.40
  4. Step 4: Simplify right side
    167,402.40x = 12,318,301,969.02
  5. Step 5: Solve for x
    x = 12,318,301,969.02/167,402.40
  6. Step 6: Final answer
    x = 73,584.98

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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.