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Finding the Fourth Proportional to 172,995.48, 238,747.50 and 96,539.58

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Solution

The fourth proportional to 172,995.48, 238,747.50 and 96,539.58 is: 133,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,995.48 : 238,747.50 = 96,539.58 : x
  2. Step 2: Convert to fraction form
    172,995.48/238,747.50 = 96,539.58/x
  3. Step 3: Cross multiply
    172,995.48x = 238,747.50 × 96,539.58
  4. Step 4: Simplify right side
    172,995.48x = 23,048,583,376.05
  5. Step 5: Solve for x
    x = 23,048,583,376.05/172,995.48
  6. Step 6: Final answer
    x = 133,232.29

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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.