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Finding the Fourth Proportional to 173,256.50, 239,094.70 and 93,768.50

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Solution

The fourth proportional to 173,256.50, 239,094.70 and 93,768.50 is: 129,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,256.50 : 239,094.70 = 93,768.50 : x
  2. Step 2: Convert to fraction form
    173,256.50/239,094.70 = 93,768.50/x
  3. Step 3: Cross multiply
    173,256.50x = 239,094.70 × 93,768.50
  4. Step 4: Simplify right side
    173,256.50x = 22,419,551,376.95
  5. Step 5: Solve for x
    x = 22,419,551,376.95/173,256.50
  6. Step 6: Final answer
    x = 129,400.93

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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.