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Finding the Fourth Proportional to 173,221.50, 239,046.42 and 93,733.50

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Solution

The fourth proportional to 173,221.50, 239,046.42 and 93,733.50 is: 129,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,221.50 : 239,046.42 = 93,733.50 : x
  2. Step 2: Convert to fraction form
    173,221.50/239,046.42 = 93,733.50/x
  3. Step 3: Cross multiply
    173,221.50x = 239,046.42 × 93,733.50
  4. Step 4: Simplify right side
    173,221.50x = 22,406,657,609.07
  5. Step 5: Solve for x
    x = 22,406,657,609.07/173,221.50
  6. Step 6: Final answer
    x = 129,352.64

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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.