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Finding the Fourth Proportional to 172,891.16, 238,594.03 and 96,409.52

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Solution

The fourth proportional to 172,891.16, 238,594.03 and 96,409.52 is: 133,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,891.16 : 238,594.03 = 96,409.52 : x
  2. Step 2: Convert to fraction form
    172,891.16/238,594.03 = 96,409.52/x
  3. Step 3: Cross multiply
    172,891.16x = 238,594.03 × 96,409.52
  4. Step 4: Simplify right side
    172,891.16x = 23,002,735,907.17
  5. Step 5: Solve for x
    x = 23,002,735,907.17/172,891.16
  6. Step 6: Final answer
    x = 133,047.50

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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.