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Finding the Fourth Proportional to 173,230, 239,057.52 and 93,742

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Solution

The fourth proportional to 173,230, 239,057.52 and 93,742 is: 129,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,230 : 239,057.52 = 93,742 : x
  2. Step 2: Convert to fraction form
    173,230/239,057.52 = 93,742/x
  3. Step 3: Cross multiply
    173,230x = 239,057.52 × 93,742
  4. Step 4: Simplify right side
    173,230x = 22,409,730,039.84
  5. Step 5: Solve for x
    x = 22,409,730,039.84/173,230
  6. Step 6: Final answer
    x = 129,364.02

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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.