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Finding the Fourth Proportional to 172,136.32, 237,539.52 and 104,168.32

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Solution

The fourth proportional to 172,136.32, 237,539.52 and 104,168.32 is: 143,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,136.32 : 237,539.52 = 104,168.32 : x
  2. Step 2: Convert to fraction form
    172,136.32/237,539.52 = 104,168.32/x
  3. Step 3: Cross multiply
    172,136.32x = 237,539.52 × 104,168.32
  4. Step 4: Simplify right side
    172,136.32x = 24,744,092,732.01
  5. Step 5: Solve for x
    x = 24,744,092,732.01/172,136.32
  6. Step 6: Final answer
    x = 143,747.08

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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.