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Finding the Fourth Proportional to 167,582.50, 231,239.80 and 98,630.98

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Solution

The fourth proportional to 167,582.50, 231,239.80 and 98,630.98 is: 136,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,582.50 : 231,239.80 = 98,630.98 : x
  2. Step 2: Convert to fraction form
    167,582.50/231,239.80 = 98,630.98/x
  3. Step 3: Cross multiply
    167,582.50x = 231,239.80 × 98,630.98
  4. Step 4: Simplify right side
    167,582.50x = 22,807,408,089.00
  5. Step 5: Solve for x
    x = 22,807,408,089.00/167,582.50
  6. Step 6: Final answer
    x = 136,096.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.