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Finding the Fourth Proportional to 163,750, 225,975 and 93,094

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Solution

The fourth proportional to 163,750, 225,975 and 93,094 is: 128,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,750 : 225,975 = 93,094 : x
  2. Step 2: Convert to fraction form
    163,750/225,975 = 93,094/x
  3. Step 3: Cross multiply
    163,750x = 225,975 × 93,094
  4. Step 4: Simplify right side
    163,750x = 21,036,916,650
  5. Step 5: Solve for x
    x = 21,036,916,650/163,750
  6. Step 6: Final answer
    x = 128,469.72

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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.