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Finding the Fourth Proportional to 167,434.40, 251,158.90 and 83,234.90

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Solution

The fourth proportional to 167,434.40, 251,158.90 and 83,234.90 is: 124,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,434.40 : 251,158.90 = 83,234.90 : x
  2. Step 2: Convert to fraction form
    167,434.40/251,158.90 = 83,234.90/x
  3. Step 3: Cross multiply
    167,434.40x = 251,158.90 × 83,234.90
  4. Step 4: Simplify right side
    167,434.40x = 20,905,185,925.61
  5. Step 5: Solve for x
    x = 20,905,185,925.61/167,434.40
  6. Step 6: Final answer
    x = 124,855.98

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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.