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Finding the Fourth Proportional to 173,103.50, 238,883.55 and 93,615.50

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Solution

The fourth proportional to 173,103.50, 238,883.55 and 93,615.50 is: 129,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,103.50 : 238,883.55 = 93,615.50 : x
  2. Step 2: Convert to fraction form
    173,103.50/238,883.55 = 93,615.50/x
  3. Step 3: Cross multiply
    173,103.50x = 238,883.55 × 93,615.50
  4. Step 4: Simplify right side
    173,103.50x = 22,363,202,975.03
  5. Step 5: Solve for x
    x = 22,363,202,975.03/173,103.50
  6. Step 6: Final answer
    x = 129,189.78

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1.5x scale

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.